Narrow August 18 uncertainty to surface finish (#21)

- Narrow August 18 uncertainty to surface finish (1a7a728eec59b59468eaee5ecc39e4e020c39c4d)

metadata.csv

@@ -357,7 +357,7 @@ Standard_Time_Lapses/2026-08-09.1601.BallpointPen.Ink.Paper.9x12.mp4,tla-07e2679
 Standard_Time_Lapses/2026-08-10.0921.BallpointPen.Ink.Paper.9x12.mp4,tla-6d316cd3fa3b544a,standard,true,standard-2025-07-13,2026-08-10,09:21,BallpointPen,Ink,Paper,9x12,1131.523,2160,3840,portrait,60,h264,yuv420p,mp4,True,4276f7d96e9e9d23e8a334c0f9d88ebebc19456f572b1e4533e7700e343afbd8,2026-08-10.0921.BallpointPen.Ink.Paper.9x12.mp4,direct_root_upload,,,commit_history,,14803829762,Added directly in Hub commit 7bc09318; local inbox SHA-256 matches the current Hub LFS identity.
 Standard_Time_Lapses/2026-08-10.1201.BallpointPen.Ink.Paper.9x12.mp4,tla-6295940b873f7b9e,standard,true,standard-2025-07-13,2026-08-10,12:01,BallpointPen,Ink,Paper,9x12,81.566,2160,3840,portrait,60,h264,yuv420p,mp4,True,8d566934d0e3e4aaa0330cfbdf1a28c7f712348b82505de5b73a543cdc319d5a,2026-08-10.1201.BallpointPen.Ink.Paper.9x12.mp4,direct_root_upload,,,commit_history,,1087300262,Added directly in Hub commit 7bc09318; local inbox SHA-256 matches the current Hub LFS identity.
 Standard_Time_Lapses/2026-08-17.1844.Pencil.Graphite.BallpointPen.Ink.Paper.9x12.mp4,tla-0166b27de73507a8,standard,true,standard-2025-07-13,2026-08-17,18:44,Pencil;BallpointPen,Graphite;Ink,Paper,9x12,603.593999,2160,3840,portrait,60.0,h264,yuv420p,mp4,True,509c10be445584a6243abec420e9a130912ba4569bc2d20cc2d7e31b5317ba75,,direct_root_upload,,,manual_confirmation,,7901474480,"Creator-submitted Standard recording. Visual review confirms a blank-sheet start, continuous drawing progression, a completed endpoint, and a visible 18:44 clock corroborating the documented finish time. All 36,216 video frames and the audio stream decoded successfully without dropped or duplicated frames."
-Standard_Time_Lapses/2026-08-18.0020.Pencil.Graphite.BallpointPen.Ink.Paper.11x14.mp4,tla-8dde897a86df76f5,standard,true,standard-2025-07-13,2026-08-18,00:20,Pencil;BallpointPen,Graphite;Ink,Paper,11x14,778.257999,2160,3840,portrait,60.0,h264,yuv420p,mp4,True,63c5a7751b1f4c80235183a2f3a9733e628d99531b9ce5958dbad27216c32259,,direct_root_upload,,,manual_confirmation,,10181681080,"Creator-submitted Standard recording. Visual review confirms a blank-sheet start, continuous drawing progression, and a completed signed endpoint. The 00:20 finish time is creator-confirmed metadata rather than a container timestamp. All 46,696 video frames and the audio stream decoded successfully without dropped or duplicated frames. The exact paper surface is not fully confirmed."
+Standard_Time_Lapses/2026-08-18.0020.Pencil.Graphite.BallpointPen.Ink.Paper.11x14.mp4,tla-8dde897a86df76f5,standard,true,standard-2025-07-13,2026-08-18,00:20,Pencil;BallpointPen,Graphite;Ink,Paper,11x14,778.257999,2160,3840,portrait,60.0,h264,yuv420p,mp4,True,63c5a7751b1f4c80235183a2f3a9733e628d99531b9ce5958dbad27216c32259,,direct_root_upload,,,manual_confirmation,,10181681080,"Creator-submitted Standard recording. Visual review confirms a blank-sheet start, continuous drawing progression, and a completed signed endpoint. The 00:20 finish time is creator-confirmed metadata rather than a container timestamp. All 46,696 video frames and the audio stream decoded successfully without dropped or duplicated frames. The paper support is confirmed, but the precise surface finish (smooth, rough, or vellum) is not."
 Standard_Time_Lapses/2026-08-19.1208.Pencil.Graphite.FountainPen.Ink.Paper.14x17.Rec01.mp4,tla-3c67bd9f8958b9b7,standard,true,standard-2025-07-13,2026-08-19,12:08,Pencil;FountainPen,Graphite;Ink,Paper,14x17,2474.539999,2160,3840,portrait,60.0,h264,yuv420p,mp4,True,5397c99d84934432ffb1538701072dbb26bb8e2813909b5aac50a96f0ca2d918,,direct_root_upload,,,manual_confirmation,,32395754186,"Creator-submitted first recording in a RecNN sequence on 14x17 Strathmore 500 Series Premium Bristol; Rec02 is expected. Visual review confirms a blank-sheet start, continuous drawing progression, a completed endpoint, and a visible 12:08 clock corroborating the documented finish time. All 148,471 video frames and the audio stream decoded successfully. Source packet timestamps are strictly increasing; RecNN distinguishes recording sequence only."
 Standard_Time_Lapses/2026-08-22.0124.BallpointPen.Ink.Paper.14x17.Rec01.mp4,tla-1b502d1a39e190f8,standard,true,standard-2025-07-13,2026-08-22,01:24,BallpointPen,Ink,Paper,14x17,1280.185999,2160,3840,portrait,60.0,h264,yuv420p,mp4,True,1d5dbe1b572f21330aefe212824d9784385b7444467724e0a1404ad16a392b5f,,direct_root_upload,,,manual_confirmation,,16768134326,"Creator-submitted first recording in a RecNN sequence on 14x17 paper. Visual spot-check confirms an early-stage start and continuous drawing progression. Rec02 continues the same work; Rec03 is expected. All 76,811 video frames and the audio stream decoded successfully. RecNN distinguishes recording sequence only."
 Standard_Time_Lapses/2026-08-22.1613.BallpointPen.Ink.Paper.14x17.Rec02.mp4,tla-3366e26036caab29,standard,true,standard-2025-07-13,2026-08-22,16:13,BallpointPen,Ink,Paper,14x17,1238.452999,2160,3840,portrait,60.0,h264,yuv420p,mp4,True,583d865e50d74ccaa881c2d15d8e3be0b5edd0810803e42f0e51475a89c674fc,,direct_root_upload,,,manual_confirmation,,16222497912,"Creator-submitted second recording in a RecNN sequence on 14x17 paper. Visual spot-check confirms direct continuity from Rec01 and further drawing progression. Rec03 is expected; a sequence endpoint is not claimed. All 74,307 video frames and the audio stream decoded successfully. RecNN distinguishes recording sequence only. Less than one minute of this session was accidentally not recorded."