Resolve active archive semantic inconsistencies (#43)

- Resolve active archive semantic inconsistencies (4d6c6098c7428d77e7c04771a2aabcb46918345f)
- Record pinned PR semantic validation (61199c22be53a883c247ff21ba988e26621c2335)

Archive_Specifications.md

@@ -1,172 +1,169 @@
-# Archive Specifications
-
-## Scope and Protocol Version
-
-These specifications apply to recordings and drawings created beginning July
-13, 2025 unless a metadata row documents a deviation.
-
-The corresponding metadata identifier is:
-
-```text
-acquisition_protocol_version = standard-2025-07-13
-```
-
-The identifier records the governing protocol. It does not imply that every
-published file has identical encoded dimensions, orientation, codec, audio, or
-post-processing history.
-
-## Capture Configuration
-
-The owner-confirmed default workflow since July 13, 2025 is:
-
-- Device: Samsung Galaxy S23 Ultra, model `SM-S918U`
-- Application: Framelapse 2; observed current version 11.7
-- Logical camera: Rear (Main), 1.8x
-- Nominal capture interval: 0.2 seconds
-- Capture orientation intent: Landscape
-- Capture resolution class: 2160p UHD (4K)
-- Still-image size: 4000 × 3000
-
-The 0.2-second interval is a protocol-level nominal setting, not a confirmed
-measurement for every Standard recording. It does not by itself establish a
-calibrated real-time basis for any record.
-
-AE/WB lock, autofocus, and stabilization are owner-reported for certainly the
-majority of this period, not confirmed as universal per-record facts. Deviations
-must be recorded prospectively and must not be filled retrospectively by guess.
-
-### Capture versus published encoding
-
-Capture orientation and stored pixel orientation are separate properties.
-`metadata.csv` fields `width_px`, `height_px`, and `orientation` describe the
-published encoded file. Many canonical files are stored as portrait video,
-including records that historical evidence identifies as rotations or crops of
-landscape sources.
-
-Do not infer a rotation, crop, or transcode solely from dimensions. Such a
-transformation should be asserted only when supported by provenance evidence.
-
-### Acquisition evidence and canonical representation
-
-Framelapse source fragments are retained unchanged as acquisition evidence. A
-reviewed drawing may be represented canonically either by one selected
-chronological InShot assembly or by a complete, verified `RecNN` sequence of
-unchanged source fragments. In fragment-sequence mode, every source file has its
-own canonical metadata row while grouping, order, completeness, and derivative
-coverage remain in a separate noncanonical relationship manifest. This does not
-change the 29-field schema or retroactively redefine existing records. Dynamic
-browser previews and physical-reference photographs remain noncanonical access
-or evidence layers linked through persistent identity.
-
-A 2160 × 3840 portrait H.264, 30-fps InShot processing profile is documented as
-a candidate. It does not become a canonical protocol boundary until one complete
-natural drawing passes fragment-order, join, duration, stream, hash, and manifest
-verification and receives explicit creator approval. Existing 60-fps canonical
-records remain unchanged.
-
-## Timing and Calibration Status
-
-The current protocol documentation does not provide a complete calibrated time
-base for motor-control or physical-trajectory measurement. The nominal
-0.2-second setting records the intended protocol; the interval actually used
-for an individual recording remains unconfirmed unless separately documented.
-In particular, the following may be unknown for a recording:
-
-- confirmed per-record frame-capture interval
-- real drawing-session duration
-- time-lapse acceleration factor
-- source-frame timestamps
-- removed pauses or edit decisions
-- dropped-frame history
-- camera model, lens, and mount geometry
-- pixel-to-physical coordinate mapping or homography
-
-`encoded_frame_rate` is playback rate only. It must not be treated as original
-drawing-time sampling or used to infer real drawing time unless separately
-documented.
-
-## Drawing Surfaces
-
-### 9 × 12 in
-
-- Strathmore 300 Series Bristol
-- Smooth surface
-- 100 lb (270 g/m²)
-- Acid free
-
-### 11 × 14 in
-
-- Strathmore 300 Series Bristol
-- Smooth surface
-- 100 lb (270 g/m²)
-- Acid free
-
-### 14 × 17 in
-
-- Strathmore 500 Series Premium Bristol
-- Plate surface / ultra-smooth
-- 100% cotton
-- Acid free
-- 2-ply
-- Introduced in the Standard collection on August 19, 2026
-- Manufacturer packaging describes the paper as archival quality
-
-### 30 × 40 in
-
-- Strathmore 500 Series Illustration Board
-- Heavyweight vellum surface
-- 20-ply
-- White
+# Archive Specifications
+
+## Scope and Protocol Version
+
+These specifications apply to recordings and drawings created beginning July
+13, 2025 unless a metadata row documents a deviation.
+
+The corresponding metadata identifier is:
+
+```text
+acquisition_protocol_version = standard-2025-07-13
+```
+
+The identifier records the governing protocol. It does not imply that every
+published file has identical encoded dimensions, orientation, codec, audio, or
+post-processing history.
+
+## Capture Configuration
+
+The owner-confirmed default workflow since July 13, 2025 is:
+
+- Device: Samsung Galaxy S23 Ultra, model `SM-S918U`
+- Application: Framelapse 2; observed current version 11.7
+- Logical camera: Rear (Main), 1.8x
+- Nominal capture interval: 0.2 seconds
+- Capture orientation intent: Landscape
+- Capture resolution class: 2160p UHD (4K)
+- Still-image size: 4000 × 3000
+
+The 0.2-second interval is a protocol-level nominal setting, not a confirmed
+measurement for every Standard recording. It does not by itself establish a
+calibrated real-time basis for any record.
+
+AE/WB lock, autofocus, and stabilization are owner-reported for certainly the
+majority of this period, not confirmed as universal per-record facts. Deviations
+must be recorded prospectively and must not be filled retrospectively by guess.
+
+### Capture versus published encoding
+
+Capture orientation and stored pixel orientation are separate properties.
+`metadata.csv` fields `width_px`, `height_px`, and `orientation` describe the
+published encoded file. Many canonical files are stored as portrait video,
+including records that historical evidence identifies as rotations or crops of
+landscape sources.
+
+Do not infer a rotation, crop, or transcode solely from dimensions. Such a
+transformation should be asserted only when supported by provenance evidence.
+
+### Acquisition evidence and canonical representation
+
+Framelapse source fragments are retained unchanged as acquisition evidence. A
+reviewed drawing may be represented canonically either by one selected
+chronological InShot assembly or by a complete, verified `RecNN` sequence of
+unchanged source fragments. In fragment-sequence mode, every source file has its
+own canonical metadata row while grouping, order, completeness, and derivative
+coverage remain in a separate noncanonical relationship manifest. This does not
+change the 29-field schema or retroactively redefine existing records. Dynamic
+browser previews and physical-reference photographs remain noncanonical access
+or evidence layers linked through persistent identity.
+
+A 2160 × 3840 portrait H.264, 30-fps InShot processing profile is documented as
+a candidate. It does not become a canonical protocol boundary until one complete
+natural drawing passes fragment-order, join, duration, stream, hash, and manifest
+verification and receives explicit creator approval. Existing 60-fps canonical
+records remain unchanged.
+
+## Timing and Calibration Status
+
+The current protocol documentation does not provide a complete calibrated time
+base for motor-control or physical-trajectory measurement. The nominal
+0.2-second setting records the intended protocol; the interval actually used
+for an individual recording remains unconfirmed unless separately documented.
+In particular, the following may be unknown for a recording:
+
+- confirmed per-record frame-capture interval
+- real drawing-session duration
+- time-lapse acceleration factor
+- source-frame timestamps
+- removed pauses or edit decisions
+- dropped-frame history
+- camera model, lens, and mount geometry
+- pixel-to-physical coordinate mapping or homography
+
+`encoded_frame_rate` is playback rate only. It must not be treated as original
+drawing-time sampling or used to infer real drawing time unless separately
+documented.
+
+## Drawing Surfaces
+
+### 9 × 12 in
+
+- Strathmore 300 Series Bristol
+- Smooth surface
+- 100 lb (270 g/m²)
+- Acid free
+
+### 11 × 14 in
+
+- Strathmore 300 Series Bristol
+- Smooth surface
+- 100 lb (270 g/m²)
+- Acid free
+
+### 14 × 17 in
+
+- Strathmore 500 Series Premium Bristol
+- Plate surface / ultra-smooth
+- 100% cotton
+- Acid free
+- 2-ply
+- Introduced in the Standard collection on August 19, 2026
+- Manufacturer packaging describes the paper as archival quality
+
+### 30 × 40 in
+
+- Strathmore 500 Series Illustration Board
+- Heavyweight vellum surface
+- 20-ply
+- White
+
+The creator confirms that the fifteen June 18–30, 2026 `Rec01`–`Rec15`
+recordings use this Illustration Board support. Their paths and active metadata
+encode `IllustrationBoard`; the correction preserves all media bytes, stable
+record IDs, Xet identities, sizes, and technical fields.
 
 Other support sizes and materials may appear when identified in the canonical
-filename and metadata.
-
-### Open 30 × 40 support review
-
-Fifteen canonical records currently encode `support = Paper` and
-`dimensions = 30x40`, while the documented standard surface above is
-Illustration Board. This is an unresolved semantic conflict. Downstream users
-must not silently relabel those rows, and the archive must not claim the
-difference is an acquisition exception until the curator verifies the physical
-support or corrects this specification.
-
-## Drawing Instruments and Ink
-
-### Ballpoint
-
-- Pelikan 337 Giant Ballpoint Refill
-- Black and Blue
-- Medium, 1.0 mm
-- Document-proof ink conforming to ISO 12757-2
-
-Documented acquisition exception: `2026-08-23.1932.BallpointPen.Ink.Paper.14x17.Rec03.mp4`
-uses the standard Pelikan black refill until approximately `00:04:59`. Visible
-refill handling marks the transition to an unmarked, unknown-brand black refill
-for the remainder of the recording; the brand is not inferred.
-
-### Fountain pen
-
-- Pilot Custom 823
-- 14-karat gold nibs used in Fine, Medium, and Broad sizes
-- Aurora Black fountain pen ink
-
-The nib size used in an individual recording is not consistently documented and
-must not be inferred from line appearance alone.
-
-Additional tools and media are recorded at the individual-record level.
-
-## Audio
-
-Audio presence is a stored-file property, not a required part of the acquisition
-protocol. `has_audio` records whether an audio stream exists. It does not
-describe the stream's contents or establish redistribution rights for music,
-speech, notifications, or other incidental sound.
-
-## Exceptions and Evidence
-
-Known departures from the protocol should be documented in the affected
-metadata row. A deviation claim should identify its evidence in `notes` and,
-where applicable, provenance fields.
-
-When a property is not documented, it must remain unknown rather than being
-reconstructed from visual appearance alone.
+filename and metadata. Future 30 × 40 in records must preserve any documented
+exception rather than assuming that dimensions alone establish support.
+
+## Drawing Instruments and Ink
+
+### Ballpoint
+
+- Pelikan 337 Giant Ballpoint Refill
+- Black and Blue
+- Medium, 1.0 mm
+- Document-proof ink conforming to ISO 12757-2
+
+Documented acquisition exception: `2026-08-23.1932.BallpointPen.Ink.Paper.14x17.Rec03.mp4`
+uses the standard Pelikan black refill until approximately `00:04:59`. Visible
+refill handling marks the transition to an unmarked, unknown-brand black refill
+for the remainder of the recording; the brand is not inferred.
+
+### Fountain pen
+
+- Pilot Custom 823
+- 14-karat gold nibs used in Fine, Medium, and Broad sizes
+- Aurora Black fountain pen ink
+
+The nib size used in an individual recording is not consistently documented and
+must not be inferred from line appearance alone.
+
+Additional tools and media are recorded at the individual-record level.
+
+## Audio
+
+Audio presence is a stored-file property, not a required part of the acquisition
+protocol. `has_audio` records whether an audio stream exists. It does not
+describe the stream's contents or establish redistribution rights for music,
+speech, notifications, or other incidental sound.
+
+## Exceptions and Evidence
+
+Known departures from the protocol should be documented in the affected
+metadata row. A deviation claim should identify its evidence in `notes` and,
+where applicable, provenance fields.
+
+When a property is not documented, it must remain unknown rather than being
+reconstructed from visual appearance alone.

CHANGELOG.md

@@ -1,5 +1,31 @@
 # Changelog
 
+## Unreleased — semantic documentation clarification
+
+- Corrected fifteen creator-confirmed June 18–30, 2026 30 × 40 in records from
+  `Paper` to `IllustrationBoard` in their paths and metadata. The LFS pointers,
+  payload SHA-256 values, stable `record_id` values, Xet identities, byte sizes,
+  technical fields, and `Rec01`–`Rec15` order are unchanged.
+- Normalized five Pre-Standard `time = 00:00` values to unknown because their
+  incomplete dates do not establish documented midnight; the historical paths
+  retain literal `0000` and `notes` explain the distinction.
+- Restored `Brush;FountainPen`, `Ink`, and `WatercolorPaper` for one
+  Pre-Standard row from explicit filename tokens without inferring positional
+  tool/medium pairs. One separate row still lacks support evidence and now says
+  so explicitly in `notes`.
+- Aligned the Pre-Standard tool/medium rule with the canonical contract:
+  observed lists are independent and token position does not establish pairs.
+- Documented that `date` and `time` preserve finish labels whose recording,
+  session, sequence, or work scope is not normalized in the current schema.
+- Clarified that dated fragment sidecars cover reviewed ingestions rather than
+  every historical `RecNN` row, and that absence does not negate a relationship.
+- Relabeled the 404-row Viewer state as a pinned historical snapshot, explained
+  the CSV `file_name` to loaded `video` feature mapping, and replaced broad
+  raw/master/audio wording with the verified 485-of-616 stream-presence count.
+- No media payload, active metadata row, record identity, or relationship
+  assertion was added or removed; the fifteen path corrections preserve media
+  identity.
+
 ## Unreleased — September 1 complete fragment-sequence ingestion
 
 - Added 13 creator-confirmed, unchanged canonical Framelapse source fragments

Pre_Standard_Time_Lapses/SCHEMA.md

@@ -6,12 +6,12 @@
 
 Example:
 
-`2025-07-15.0448.FountainPen.Ink.Paper.9x12.mp4`
+`2025-07-09.0320.Pencil.Graphite.FountainPen.Ink.Paper.11x14.mp4`
 
 ## Fields
 
-- `YYYY-MM-DD` — documented finish date
-- `HHMM` — documented finish time in 24-hour format
+- `YYYY-MM-DD` — documented finish date label associated with the record
+- `HHMM` — documented finish time label in 24-hour format
 - `UnknownTime` — used only when the finish time is unknown
 - `Tool` — drawing instrument, such as `FountainPen` or `BallpointPen`
 - `Medium` — material applied, such as `Graphite` or `Ink`
@@ -23,10 +23,20 @@ Example:
 
 - Fields are separated by periods.
 - Style classifications are excluded.
-- `TL` is excluded because timelapse is implicit in the dataset’s primary collection.
-- `0000` is reserved for an actual midnight finish time.
-- When independently documented, original filenames are preserved exactly in `metadata.csv`; otherwise `original_filename` remains blank.
-- In `metadata.csv`, multiple tools and media are stored as ordered semicolon-separated values.
-- Example: `Pencil.Graphite.FountainPen.Ink` becomes `tool = Pencil;FountainPen` and `medium = Graphite;Ink`.
-- Each tool corresponds by position to the medium in the same position.
-- Paper surface variants such as `HotPress` and `ColdPress` remain preserved in `file_name`; the current `metadata.csv` schema does not yet include a dedicated `press_type` field.
+- `TL` is excluded because timelapse is implicit in the dataset’s primary collection.
+- `0000` is reserved for an actual midnight finish time.
+- Historical filename date tokens may use `00` for an unknown month or day.
+  `metadata.csv` keeps `date` blank unless a complete calendar date is
+  documented; placeholder components are not parsed as dates.
+- A historical filename may retain literal `0000` when the path itself is
+  preserved. If documented midnight is not established, `metadata.csv` keeps
+  `time` blank and explains the retained filename token in `notes`.
+- When independently documented, original filenames are preserved exactly in `metadata.csv`; otherwise `original_filename` remains blank.
+- In `metadata.csv`, multiple tools and media are stored as ordered semicolon-separated values.
+- Example: `Pencil.Graphite.FountainPen.Ink` becomes `tool = Pencil;FountainPen` and `medium = Graphite;Ink`.
+- `tool` and `medium` are independent observed-value lists. Equal lengths and positional correspondence are not guaranteed; no pairing may be inferred from token position.
+- Paper surface variants such as `HotPress` and `ColdPress` remain preserved in `file_name`; the current `metadata.csv` schema does not yet include a dedicated `press_type` field.
+
+The surviving Pre-Standard documentation does not normalize whether a finish
+date or time applies to an individual recording, a recording session, or the
+physical work. Do not infer that temporal scope from the value alone.

Pre_Standard_Time_Lapses/metadata.csv

@@ -47,12 +47,12 @@ file_name,record_id,collection_tier,is_canonical,acquisition_protocol_version,da
 2024-12-26.1844.FountainPen.Ink.Paper.18x24.mp4,tla-a7522fd0547fc5f1,pre_standard,false,,2024-12-26,18:44,FountainPen,Ink,Paper,18x24,363,2160,3840,portrait,60,h264,yuv420p,mp4,True,9590b84b15bae734a6048f1ae4d8272267c55636aa99b0b90ca837947e6a56e6,,,,,,,2538496577,
 2024-12-29.1833.FountainPen.Ink.Paper.18x24.mp4,tla-0b24377153ab8c5d,pre_standard,false,,2024-12-29,18:33,FountainPen,Ink,Paper,18x24,364.18,2160,3840,portrait,60,h264,yuv420p,mp4,True,c216ae117e3757b650099baae545c74c59e9fdd4d9205f69c63625fc59f507a4,,,,,,,2542186270,
 2024-12-30.2027.FountainPen.Ink.Paper.18x24.mp4,tla-5b0583a321a37d20,pre_standard,false,,2024-12-30,20:27,FountainPen,Ink,Paper,18x24,360.12,2160,3840,portrait,60,h264,yuv420p,mp4,True,0f6c72740a192310f3e42ee2fa8638b0f129ef9b745a83f2aeafb6854c64ea9c,,,,,,,2525821593,
-2025-00-00.0000.BallpointPen.Ink.Paper.19x24.mp4,tla-0056effd8bd7e7b1,pre_standard,false,,,00:00,BallpointPen,Ink,Paper,19x24,361.57,2160,3840,portrait,60,h264,yuv420p,mp4,True,1d6d18023af7661508eaf258acdbe0fe1cbc4e0071d3e960de9867528db47247,,,,,,,2533145771,
-2025-00-00.0000.FountainPen.Ink.IllustrationBoard.30x40.mp4,tla-c8a941a360dce529,pre_standard,false,,,00:00,FountainPen,Ink,IllustrationBoard,30x40,99.2,2160,3840,portrait,60,h264,yuv420p,mp4,True,06d644efc574b6b6891aef3e697aa81a6bd7f8e00008c465ad04ddabad97df54,,,,,,,708406943,
-2025-00-00.0000.FountainPen.Ink.IllustrationBoard.40x30.mp4,tla-053381aa5b697086,pre_standard,false,,,00:00,FountainPen,Ink,IllustrationBoard,40x30,78.97,2160,3840,portrait,60,h264,yuv420p,mp4,True,5ffb3c35c3a0efa2db7ef8d919fb4cd9e7de0ec2f5b93d3b560e41210562a547,,,,,,,567849690,
-2025-00-00.0000.Pencil.Graphite.BallpointPen.Ink.Paper.11x14.mp4,tla-1594c432c3ee1bc7,pre_standard,false,,,00:00,Pencil;BallpointPen,Graphite;Ink,Paper,11x14,361.02,2160,3840,portrait,60,h264,yuv420p,mp4,True,824c208bd89155e332dc9a5b92c14df2f748d6b94a80f0abe46e1466cb185dfb,,,,,,,2265153511,
+2025-00-00.0000.BallpointPen.Ink.Paper.19x24.mp4,tla-0056effd8bd7e7b1,pre_standard,false,,,,BallpointPen,Ink,Paper,19x24,361.57,2160,3840,portrait,60,h264,yuv420p,mp4,True,1d6d18023af7661508eaf258acdbe0fe1cbc4e0071d3e960de9867528db47247,,,,,,,2533145771,Historical filename retains literal 0000 but documented midnight is not established; metadata time remains unknown.
+2025-00-00.0000.FountainPen.Ink.IllustrationBoard.30x40.mp4,tla-c8a941a360dce529,pre_standard,false,,,,FountainPen,Ink,IllustrationBoard,30x40,99.2,2160,3840,portrait,60,h264,yuv420p,mp4,True,06d644efc574b6b6891aef3e697aa81a6bd7f8e00008c465ad04ddabad97df54,,,,,,,708406943,Historical filename retains literal 0000 but documented midnight is not established; metadata time remains unknown.
+2025-00-00.0000.FountainPen.Ink.IllustrationBoard.40x30.mp4,tla-053381aa5b697086,pre_standard,false,,,,FountainPen,Ink,IllustrationBoard,40x30,78.97,2160,3840,portrait,60,h264,yuv420p,mp4,True,5ffb3c35c3a0efa2db7ef8d919fb4cd9e7de0ec2f5b93d3b560e41210562a547,,,,,,,567849690,Historical filename retains literal 0000 but documented midnight is not established; metadata time remains unknown.
+2025-00-00.0000.Pencil.Graphite.BallpointPen.Ink.Paper.11x14.mp4,tla-1594c432c3ee1bc7,pre_standard,false,,,,Pencil;BallpointPen,Graphite;Ink,Paper,11x14,361.02,2160,3840,portrait,60,h264,yuv420p,mp4,True,824c208bd89155e332dc9a5b92c14df2f748d6b94a80f0abe46e1466cb185dfb,,,,,,,2265153511,Historical filename retains literal 0000 but documented midnight is not established; metadata time remains unknown.
 2025-00-00.UnknownTime..FountainPen.Ink.IllustrationBoard.30x40.mp4,tla-0f14fe10f12de446,pre_standard,false,,,,FountainPen,Ink,IllustrationBoard,30x40,285.8,2160,3840,portrait,59.99,h264,yuv420p,mp4,True,ca6e782912a0baeabe55d78e8bbdfd232a65d6ac9ba61dcf8fa3163a476f8fa5,,,,,,,2019081356,
-2025-00-00.UnknownTime.Brush.FountainPen.Ink.Ink.WatercolorPaper.ColdPress.23x30.mp4,tla-78211dbf9f2286db,pre_standard,false,,,,,,,23x30,356.58,2160,3840,portrait,60,h264,yuv420p,mp4,True,9d9d9b13b22ee0e2907978ccc3660bf63438fbfef78f69ec023efdab55b99a6a,,,,,,,2490304251,
+2025-00-00.UnknownTime.Brush.FountainPen.Ink.Ink.WatercolorPaper.ColdPress.23x30.mp4,tla-78211dbf9f2286db,pre_standard,false,,,,Brush;FountainPen,Ink,WatercolorPaper,23x30,356.58,2160,3840,portrait,60,h264,yuv420p,mp4,True,9d9d9b13b22ee0e2907978ccc3660bf63438fbfef78f69ec023efdab55b99a6a,,,,,,,2490304251,Filename tokens document Brush and FountainPen tools with Ink on WatercolorPaper; repeated Ink tokens are collapsed and no positional pairing is inferred.
 2025-01-01.1128.FountainPen.Ink.Paper.18x24.mp4,tla-1c2bee33a71e4f6e,pre_standard,false,,2025-01-01,11:28,FountainPen,Ink,Paper,18x24,364.07,2160,3840,portrait,30,h264,yuv420p,mp4,True,f6182e1fdc2c0a3381c68374a4741522c243d2cd32a4bac5752d438052a538cf,,,,,,,1136327374,
 2025-01-01.2128.FountainPen.Ink.Paper.18x24.mp4,tla-7d0bedc1881af080,pre_standard,false,,2025-01-01,21:28,FountainPen,Ink,Paper,18x24,362.03,2160,3840,portrait,60,h264,yuv420p,mp4,True,785cb9338f692b2668a074f25fa6c2c794c2068b5e268b11ac65b4dc68e786cf,,,,,,,2521153638,
 2025-01-02.0319.Pencil.Graphite.FountainPen.Ink.Paper.11x14.mp4,tla-c0dc92a2c86504df,pre_standard,false,,2025-01-02,03:19,Pencil;FountainPen,Graphite;Ink,Paper,11x14,38.24,2160,2880,portrait,60.03,h264,yuv420p,mp4,True,60fe94a69097d5d0d0972f0de160949e3810263932847205555138da7a367fa6,,,,,,,401961781,
@@ -85,7 +85,7 @@ file_name,record_id,collection_tier,is_canonical,acquisition_protocol_version,da
 2025-01-24.1930.BallpointPen.Ink.Paper.19x24.mp4,tla-26a8f968ba3f89fb,pre_standard,false,,2025-01-24,19:30,BallpointPen,Ink,Paper,19x24,362.67,2160,3840,portrait,60,h264,yuv420p,mp4,True,576a5a0ceccec75b87ce5c29adcce093443fdf1d7a3d6135508a8c13e808d419,,,,,,,2544386251,
 2025-01-25.1639.Pencil.Graphite.FountainPen.Ink.Paper.11x14.mp4,tla-926378ddfbf77ada,pre_standard,false,,2025-01-25,16:39,Pencil;FountainPen,Graphite;Ink,Paper,11x14,96.23,2160,3840,portrait,60,h264,yuv420p,mp4,True,c9c11d8b1844da5e7e2723c480f29f264d4166e3b60d548680a40db2b17b0dd9,,,,,,,678976870,
 2025-01-26.1545.Pencil.Graphite.FountainPen.Ink.Paper.19x24.mp4,tla-c2fc5a7a079b52b0,pre_standard,false,,2025-01-26,15:45,Pencil;FountainPen,Graphite;Ink,Paper,19x24,361.2,2160,3840,portrait,60,h264,yuv420p,mp4,True,3adaee9ac17cb34eb25a9f2521ad4a3cc4e0beddc82548ed32f193c11bd01e14,,,,,,,2521356972,
-2025-01-26.UnknownTime.Pencil.Graphite.BallpointPen.Ink.19x24.mp4,tla-cb3240436eca7964,pre_standard,false,,2025-01-26,,Pencil;BallpointPen,Graphite;Ink,,19x24,361.5,2160,3840,portrait,60,h264,yuv420p,mp4,True,a9b4b8da64617364d507dbc14813d2fcfb08362628e85d7e7683023602a43b02,,,,,,,2535134758,
+2025-01-26.UnknownTime.Pencil.Graphite.BallpointPen.Ink.19x24.mp4,tla-cb3240436eca7964,pre_standard,false,,2025-01-26,,Pencil;BallpointPen,Graphite;Ink,,19x24,361.5,2160,3840,portrait,60,h264,yuv420p,mp4,True,a9b4b8da64617364d507dbc14813d2fcfb08362628e85d7e7683023602a43b02,,,,,,,2535134758,Support is not encoded in the surviving filename and remains unknown.
 2025-01-27.1613.BallpointPen.Ink.Paper.19x24.mp4,tla-64d4f346bb7d6864,pre_standard,false,,2025-01-27,16:13,BallpointPen,Ink,Paper,19x24,362.82,2160,3840,portrait,60,h264,yuv420p,mp4,True,ab9e80eb87a50c8beaad42dbd02d9ecf30f17c19faee4fc98b64a7a727ddce93,,,,,,,2535343998,
 2025-01-27.1629.BallpointPen.Ink.Brush.Ink.Paper.19x24.mp4,tla-674ad9e5c7e16c96,pre_standard,false,,2025-01-27,16:29,BallpointPen;Brush,Ink,Paper,19x24,372.98,2160,3840,portrait,60,h264,yuv420p,mp4,True,8d34ffd0ebe3316c227a227255b0a0cce1278044f0a58561b76bbdff1ba28ff5,,,,,,,2603952255,
 2025-01-28.1134.Pencil.Graphite.FountainPen.Ink.Paper.11x14.mp4,tla-8d10139e1cb9cd36,pre_standard,false,,2025-01-28,11:34,Pencil;FountainPen,Graphite;Ink,Paper,11x14,363.4,2160,3840,portrait,60,h264,yuv420p,mp4,True,522724024f709b3c8411a6ae6f2cc51e796914f1d15523baab40c8dbbcc8781b,,,,,,,2543123156,
@@ -100,7 +100,7 @@ file_name,record_id,collection_tier,is_canonical,acquisition_protocol_version,da
 2025-02-14.1642.BallpointPen.Ink.Paper.11x14.mp4,tla-a7450f3a1c8c3c1b,pre_standard,false,,2025-02-14,16:42,BallpointPen,Ink,Paper,11x14,49.53,2160,3840,portrait,60,h264,yuv420p,mp4,True,7cd09861c44a0c7ee60f9f3ec82be6c89643b19f66532246e66578251ea93962,,,,,,,352140274,
 2025-02-23.1141.Pencil.Graphite.FountainPen.Ink.WatercolorPaper.HotPress.22x30.mp4,tla-bba74d843dfd8053,pre_standard,false,,2025-02-23,11:41,Pencil;FountainPen,Graphite;Ink,WatercolorPaper,22x30,71.37,2160,3840,portrait,60,h264,yuv420p,mp4,True,a76f915fdaf7c4001eee94e54197bad04c360f70917f656832d69462dbec6de4,,,,,,,505052759,
 2025-02-26.0201.FountainPen.Ink.Paper.11x14.mp4,tla-572e799c66feeb76,pre_standard,false,,2025-02-26,02:01,FountainPen,Ink,Paper,11x14,29.63,2160,3840,portrait,60,h264,yuv420p,mp4,True,230d6e6f1d6e6aa10fe39bd8221922226687853abceada837c4fb641dac81c33,,,,,,,215060067,
-2025-03-00.0000.FountainPen.Ink.IllustrationBoard.30x40.mp4,tla-318c6877ee1d84bc,pre_standard,false,,,00:00,FountainPen,Ink,IllustrationBoard,30x40,364.12,2160,3840,portrait,60,h264,yuv420p,mp4,True,c9a92ad4aca17c118782bfb4e407960901efb858252ffd44bffddfbf22676018,,,,,,,2543446920,
+2025-03-00.0000.FountainPen.Ink.IllustrationBoard.30x40.mp4,tla-318c6877ee1d84bc,pre_standard,false,,,,FountainPen,Ink,IllustrationBoard,30x40,364.12,2160,3840,portrait,60,h264,yuv420p,mp4,True,c9a92ad4aca17c118782bfb4e407960901efb858252ffd44bffddfbf22676018,,,,,,,2543446920,Historical filename retains literal 0000 but documented midnight is not established; metadata time remains unknown.
 2025-03-00.UnknownTime.FountainPen.Ink.Brush.Ink.IllustrationBoard.30x40.mp4,tla-86319ed8b7c4b34d,pre_standard,false,,,,FountainPen;Brush,Ink,IllustrationBoard,30x40,361.78,2160,3840,portrait,60,h264,yuv420p,mp4,True,fa9684ccc45a3da1508185872fd2ce92b164b1a6267ba7a9a840dac8ff8a1145,,,,,,,2525182547,
 2025-03-01.1658.Pencil.Graphite.FountainPen.Ink.Paper.11x14.mp4,tla-aad41bc03c414a97,pre_standard,false,,2025-03-01,16:58,Pencil;FountainPen,Graphite;Ink,Paper,11x14,31.37,2160,3840,portrait,60,h264,yuv420p,mp4,True,8cc3774e05360ba7b6d01734f922ea8244449a1ecbe987a8f81a0ade8f64f6f4,,,,,,,220075735,
 2025-03-04.0907.Pencil.Graphite.FountainPen.Ink.Paper.11x14.mp4,tla-0917b530f8497075,pre_standard,false,,2025-03-04,09:07,Pencil;FountainPen,Graphite;Ink,Paper,11x14,358.45,2160,3840,portrait,60,h264,yuv420p,mp4,True,7dad06d8b50de5bbe4ad8ac8bd55e43709afcf543c28026eb97478b18141d161,,,,,,,2509821320,

README.md

@@ -289,9 +289,9 @@ video, the archive follows the same artist working in physical media—including
 pencil, ballpoint pen, fountain pen, brush, graphite, and ink—on fixed-format
 paper and illustration board.
 The release combines 488 canonical Standard videos and 128 earlier
-Pre-Standard recordings. Every published video has a persistent record ID,
-content hash, byte size, and encoded-stream metadata; historical session and
-provenance fields remain less complete in the Pre-Standard tier.
+Pre-Standard recordings. Every active indexed video has a persistent record
+ID, content hash, byte size, and encoded-stream metadata; historical session
+and provenance fields remain less complete in the Pre-Standard tier.
 
 **Unit of record:** each active metadata row identifies one published MP4
 video object. A row does not necessarily represent one drawing, one
@@ -364,9 +364,9 @@ not use a recursive canonical glob, so the nested
 ## Overview
 
 `time-lapse-artifacts` documents analog drawing processes across different
-recording periods and acquisition conditions. Raw video is the primary record.
-Metadata identifies, organizes, compares, and documents recordings without
-imposing aesthetic scores or stylistic labels.
+recording periods and acquisition conditions. Video is the primary published
+evidence. Metadata identifies, organizes, compares, and documents recordings
+without imposing aesthetic scores or stylistic labels.
 
 The collection is a single-creator longitudinal archive. This makes it useful
 for studying within-practice change, but it does not represent artists,
@@ -484,13 +484,17 @@ downloadable. See the [sidecar schema](Physical_References/SCHEMA.md) and
 
 The acquisition protocol effective July 13, 2025 is documented in
 `Archive_Specifications.md`. Framelapse source fragments remain unchanged
-acquisition evidence. A reviewed drawing may be represented canonically either
-by one selected chronological assembly or by a complete, verified `RecNN`
-sequence of unchanged source fragments. Grouping, order, completeness, and
-noncanonical derivative coverage remain in a separate relationship manifest;
-the active 29-field metadata schema is unchanged. A documented 4K/30-fps
-InShot processing profile remains a candidate and does not retroactively
-redefine existing records. See the
+acquisition evidence. For reviewed fragment ingestions, a drawing may be
+represented canonically either by one selected chronological assembly or by a
+complete, verified `RecNN` sequence of unchanged source fragments. Grouping,
+order, completeness, and noncanonical derivative coverage for those ingestions
+remain in separate dated relationship manifests; the active 29-field metadata
+schema is unchanged. The manifests do not backfill every historical `RecNN`
+record. Outside them, `RecNN` establishes recording order only, and any
+grouping or completeness claim is limited to evidence explicitly recorded in
+`notes` or other documentation. A documented 4K/30-fps InShot processing
+profile remains a candidate and does not retroactively redefine existing
+records. See the
 [capture and ingest protocol](Physical_References/CAPTURE_AND_INGEST_PROTOCOL.md).
 
 The dated relationship sidecars preserve each ingestion as a separate pinned
@@ -531,8 +535,8 @@ from the physical practice, filenames, file properties, and retained historical
 evidence. This is the scope of `annotations_creators: expert-generated`; it does
 not mean that frame-level task labels exist.
 
-The videos themselves are primarily raw and unannotated. The release does not
-provide:
+The videos themselves are unannotated. Processing history varies and is not
+uniformly documented. The release does not provide:
 
 - frame-level bounding boxes or segmentation masks
 - hand, pen-tip, pose, or stroke labels
@@ -596,12 +600,13 @@ release. This statement does not independently grant rights in incidental
 third-party material that may appear on screens, in references, or in captured
 audio.
 
-Nearly all published masters retain an audio stream. `has_audio` records stream
-presence only; it does not establish that the stream contains meaningful
-signal. Users are responsible for reviewing audio, visible screens, references,
-reflections, tattoos, and other potentially identifying or third-party content
-before redistribution or model release. A future proxy release should remove
-audio by default while preserving the archival masters.
+Most active indexed videos at this revision contain an audio stream (485 of
+616, or 78.7%). `has_audio` records stream presence only; it does not establish
+that the stream contains meaningful signal. Users are responsible for reviewing
+audio, visible screens, references, reflections, tattoos, and other potentially
+identifying or third-party content before redistribution or model release. A
+future proxy release should remove audio by default while preserving the
+archival video objects.
 
 ## Access and Reproducibility
 
@@ -629,6 +634,12 @@ first = next(iter(metadata))
 print(first["video"]["path"], first["tool"], first["medium"])
 ```
 
+The CSV contract names the repository path column `file_name`. When a declared
+configuration is loaded, Hugging Face resolves that reserved metadata-file
+column against the included MP4 paths and exposes the typed feature as `video`.
+That is why the example uses `first["video"]` rather than
+`first["file_name"]`.
+
 This exposes the complete metadata schema without transferring video bytes.
 Default decoded row access additionally requires `torchcodec` and a compatible
 video-decoding stack. Use `streaming=True` unless a full archive download is

SCHEMA.md

@@ -12,8 +12,8 @@ Examples:
 
 ```text
 2025-07-15.0448.FountainPen.Ink.Paper.9x12.mp4
-2026-06-29.UnknownTime.FountainPen.Ink.Paper.30x40.Rec11.mp4
-2026-06-29.UnknownTime.FountainPen.Ink.Paper.30x40.Rec12.mp4
+2026-06-29.UnknownTime.FountainPen.Ink.IllustrationBoard.30x40.Rec11.mp4
+2026-06-29.UnknownTime.FountainPen.Ink.IllustrationBoard.30x40.Rec12.mp4
 ```
 
 ### Filename fields
@@ -108,8 +108,8 @@ uncertainty, not failed technical ingestion.
 
 | Field | Type | Meaning |
 | --- | --- | --- |
-| `date` | `YYYY-MM-DD` | Documented finish date. |
-| `time` | `HH:MM` or blank | Documented finish time; blank means unknown. |
+| `date` | `YYYY-MM-DD` | Documented finish date label associated with the record; temporal scope is not normalized. |
+| `time` | `HH:MM` or blank | Documented finish time label associated with the record; blank means unknown and temporal scope is not normalized. |
 | `tool` | semicolon list | Ordered unique set of documented tools. |
 | `medium` | semicolon list | Ordered unique set of documented media. |
 | `support` | string | Physical drawing surface. |
@@ -127,6 +127,13 @@ positional correspondence are **not guaranteed**. Repeated media are collapsed
 to one value. A future paired representation should use a structured field and
 must be based on documented evidence rather than token position.
 
+`date` and `time` preserve the best documented finish labels associated with a
+row. The current 29-field schema does not distinguish whether the source
+documentation scoped a label to an individual recording, a recording session,
+a reviewed fragment sequence, or the physical work. Equal values, differing
+values, and `RecNN` suffixes do not resolve that scope. Use `notes` and
+revision-pinned sidecars only where they make a narrower claim.
+
 ### Encoded-video fields
 
 | Field | Type | Meaning |
@@ -260,6 +267,9 @@ commit. The captured inventory also binds the exact bytes of that revision's
 `metadata.csv`, so a local join cannot substitute metadata from a different
 commit. A dated sidecar does not introduce `work_id`, backfill
 historical rows, change `standard-2025-07-13`, or create a new dataset version.
+Consequently, an active `RecNN` row absent from these dated sidecars has not
+been reviewed into this relationship layer; absence does not establish that no
+relationship exists.
 
 ## Physical-reference sidecar
 

VALIDATION.md

@@ -17,7 +17,39 @@ and pins that metadata-bearing revision, avoiding a circular self-reference.
 This report validates the pull-request state; merge status and Viewer
 settlement are separate deployment checks.
 
-## Pinned active-index receipt
+## PR #43 semantic-correction receipt
+
+The content-bearing PR revision
+`4d6c6098c7428d77e7c04771a2aabcb46918345f` is based directly on Hub `main`
+revision `9ba68359e4886d12ad865bd0a5cd00515a78ede6`. Remote validation at that
+immutable revision produced zero errors.
+
+| Check | Result |
+| --- | ---: |
+| Root `metadata.csv` | 311,869 bytes; SHA-256 `00bc268f0267b09f2cd18e8b1ac8751f45e7d2b2232d240b438857f82558a161` |
+| Pre-Standard `metadata.csv` | 38,169 bytes; SHA-256 `7ef4b21645760b2aa2047ad1b548cb341c97c288378498f135cbbecd82c4f4b9` |
+| Active indexed rows | 616 |
+| Canonical Standard / Pre-Standard | 488 / 128 |
+| Unique `record_id` / nonblank Xet identities | 616 / 616 |
+| Missing indexed targets | 0 |
+| Unindexed direct active-tier MP4 files | 0 |
+| Metadata-to-Hub size / Xet mismatches | 0 / 0 |
+| `SHA256SUMS` | 90,319 bytes; SHA-256 `5e86108f0323c4a5c0c6e01636529ecc185252d5cc1eb23e5b46ab7a0ccd8e3f` |
+| Manifest payload coverage | 622 / 622; 2,079,242,936,421 bytes |
+| Manifest-to-Hub identity errors | 0 |
+| Regression tests | 30 / 30 passed |
+
+All fifteen renamed June 30 × 40 in paths have the same Hub LFS SHA-256 and
+byte-size receipts as their `Paper`-named source paths at the base revision.
+The PR head contains all fifteen `IllustrationBoard` paths and none of the old
+`Paper` paths. This verifies a path-and-metadata correction without a media
+payload rewrite. Viewer settlement remains a post-merge check and has not been
+claimed here.
+
+## Historical pinned active-index receipt
+
+This receipt records the exact PR #42 validation event described above; it is
+not a digest of current `main`.
 
 **PINNED REMOTE-INVENTORY PASS — zero validation errors**
 
@@ -48,7 +80,10 @@ Indexed video totals are 2,062,483,711,146 bytes (2.062 TB decimal) and
 Viewer settlement is checked after merge but is not used as a substitute for
 the revision-pinned row, media, size, and identity checks above.
 
-## Repository-wide payload checksum receipt
+## Historical repository-wide payload checksum receipt
+
+This receipt likewise records the exact PR #42 validation event rather than
+the current `SHA256SUMS` file.
 
 `SHA256SUMS` was generated from the LFS-compatible content identities at exact
 Hub revision `e2094ae582c057df9d40e9bfe4dc00afed0bad2a`. Every identity was also
@@ -135,33 +170,36 @@ visual authentication of absent media.
 
 ## Regression tests
 
-The dependency-free suites currently run 25 tests covering repository receipt
-binding, fragment-size joins and verification levels, and physical-reference
-identity, hash-state, pairing, manifest, and metadata-join failures.
+The dependency-free suites currently run 30 tests covering repository receipt
+binding, fragment-size joins and verification levels, semantic documentation
+and metadata invariants, and physical-reference identity, hash-state, pairing,
+manifest, and metadata-join failures.
 
 ```bash
 python -m unittest discover -s tools -p "test_*.py"
 ```
 
-Result: **25/25 passed**.
+Result: **30/30 passed**.
 
 ## Outstanding curator questions and limitations
 
 These remain explicit; validation must not guess their answers:
 
-1. Fifteen canonical 30×40 rows use `support = Paper`, while
-   `Archive_Specifications.md` documents the standard 30×40 support as
-   Illustration Board.
-2. Five Pre-Standard records retain `time = 00:00` while their finish date is
-   partial or unknown. Confirm documented midnight or normalize to unknown.
-3. Two Pre-Standard rows retain incomplete material fields.
+1. One Pre-Standard record has no support token or independent support evidence;
+   its `support` remains blank and its `notes` state the limitation.
+2. The current schema does not normalize whether a documented finish label
+   applies to a recording, session, reviewed fragment sequence, or physical work.
+3. Nineteen active Standard `RecNN` rows are outside the five dated fragment
+   sidecars. Their existing notes and changelog evidence remain authoritative;
+   sidecar absence does not establish no relationship or sequence completeness.
 4. Twenty-seven physical-reference rows retain explicit conflict evidence.
    Conflict language is an adjudication queue, not proof that 27 canonical
    timestamps are wrong.
 5. Three Standard records are explicitly documented shortened derivatives,
    not full-duration masters.
-6. Most masters retain an audio stream. Stream presence does not establish
-   meaningful signal; rights and privacy review remain necessary.
+6. Most active indexed videos at this revision contain an audio stream (485 of
+   616). Stream presence does not establish meaningful signal; rights and
+   privacy review remain necessary.
 7. Encoded frame rate and playback duration cannot recover real drawing time.
 8. The 2012–2016 archive has no public video payload in this release.
 9. No official train/validation/test partition or global `work_id` exists.

VIEWER_MIGRATION.md

@@ -1,8 +1,10 @@
 # Dataset Viewer Configuration
 
-## Active state
+## Historical verification snapshot
 
-At revision `62891506283585abc76a68dd044eaed1d55d7ab5`:
+The following state was verified at revision
+`62891506283585abc76a68dd044eaed1d55d7ab5`. It is a pinned historical
+snapshot, not a description of current `main`:
 
 - `canonical/archive` — default; 404 Standard video rows
 - `pre_standard/archive` — 128 Pre-Standard video rows

tools/test_semantic_consistency.py

@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+"""Regression tests for documented archive semantics and derived counts."""
+
+from __future__ import annotations
+
+import csv
+import re
+import unittest
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def read_rows(path: Path) -> list[dict[str, str]]:
+    with path.open(encoding="utf-8", newline="") as handle:
+        return list(csv.DictReader(handle))
+
+
+class SemanticConsistencyTests(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls) -> None:
+        cls.standard_rows = read_rows(ROOT / "metadata.csv")
+        cls.pre_standard_rows = read_rows(
+            ROOT / "Pre_Standard_Time_Lapses" / "metadata.csv"
+        )
+
+    def test_pre_standard_tool_medium_contract_is_independent(self) -> None:
+        schema = (ROOT / "Pre_Standard_Time_Lapses" / "SCHEMA.md").read_text(
+            encoding="utf-8"
+        )
+        self.assertNotIn(
+            "Each tool corresponds by position to the medium in the same position.",
+            schema,
+        )
+        self.assertIn("independent observed-value lists", schema)
+        self.assertIn("no pairing may be inferred from token position", schema)
+
+    def test_unknown_date_does_not_silently_claim_midnight(self) -> None:
+        ambiguous = [
+            row["record_id"]
+            for row in self.pre_standard_rows
+            if not row["date"] and row["time"] == "00:00"
+        ]
+        self.assertEqual(ambiguous, [])
+
+    def test_incomplete_material_values_are_explained(self) -> None:
+        incomplete = [
+            row
+            for row in self.pre_standard_rows
+            if not row["tool"] or not row["medium"] or not row["support"]
+        ]
+        self.assertEqual(
+            [row["record_id"] for row in incomplete], ["tla-cb3240436eca7964"]
+        )
+        self.assertIn("remains unknown", incomplete[0]["notes"])
+
+    def test_standard_30x40_support_is_illustration_board(self) -> None:
+        rows = [row for row in self.standard_rows if row["dimensions"] == "30x40"]
+        self.assertEqual(len(rows), 15)
+        for row in rows:
+            with self.subTest(record_id=row["record_id"]):
+                self.assertEqual(row["support"], "IllustrationBoard")
+                self.assertIn(".IllustrationBoard.30x40.", row["file_name"])
+
+    def test_readme_audio_count_matches_active_indexes(self) -> None:
+        active = self.standard_rows + self.pre_standard_rows
+        audio_count = sum(row["has_audio"].lower() == "true" for row in active)
+        percentage = 100 * audio_count / len(active)
+        readme = (ROOT / "README.md").read_text(encoding="utf-8")
+        expected = rf"{audio_count} of\s+{len(active)}, or {percentage:.1f}%"
+        self.assertRegex(readme, re.compile(expected))
+
+
+if __name__ == "__main__":
+    unittest.main()

tools/validate_metadata.py

@@ -240,14 +240,16 @@ def validate(
 
         validate_technical_row(row, label, errors)
 
-    standard_30x40_paper = sum(
-        row.get("dimensions") == "30x40" and row.get("support") == "Paper"
+    standard_30x40_non_board = sum(
+        row.get("dimensions") == "30x40"
+        and row.get("support") != "IllustrationBoard"
         for row in rows
     )
-    if standard_30x40_paper:
+    if standard_30x40_non_board:
         warnings.append(
-            f"{standard_30x40_paper} canonical 30x40 rows use support=Paper while "
-            "Archive_Specifications.md describes 30x40 Illustration Board; curator review required"
+            f"{standard_30x40_non_board} canonical 30x40 rows use support other "
+            "than IllustrationBoard; an explicit curator-documented exception "
+            "or correction is required"
         )
 
     if pre_standard_metadata:
@@ -310,8 +312,9 @@ def validate(
             for row in pre_standard_rows
         )
         if missing_material_rows:
+            row_verb = "row retains" if missing_material_rows == 1 else "rows retain"
             warnings.append(
-                f"{missing_material_rows} pre-standard rows retain incomplete material fields"
+                f"{missing_material_rows} pre-standard {row_verb} unknown material or support fields"
             )
 
     if repo_files_json:
@@ -510,7 +513,10 @@ def validate(
     audio = Counter(row.get("has_audio", "") or "<missing>" for row in all_active_rows)
 
     if audio.get("True", 0) + audio.get("true", 0) > 0:
-        warnings.append("published masters commonly retain audio streams; rights/privacy review is still required")
+        warnings.append(
+            "active indexed videos may retain audio streams; rights/privacy "
+            "review is still required"
+        )
     warnings.append(
         "encoded_frame_rate is playback rate, not original drawing-time sampling"
     )