Corpus snapshot — 2026-07-07

Built corpus snapshot (server-side SQLite). Restore: gunzip -c corpus-20260707.db.gz > data/corpus.db, then npm run api.

Contents: 70722 tracks, 1622 artists, 3551 albums, 10263 singles, 1837 artist playlists, 10002 community playlists (whitelisted-only at serve time).

Coverage, measured at publish: release dates 70715/70722 tracks (own or album /player date), 13801/13814 releases dated; durations 70716/70722; play counts 40481 tracks (where YouTube shows them).

rejected-artists.json: non-whitelisted artist channels found inside the community playlists, ranked by dropped-track count (whitelist-review candidates).

Automated daily backup.

Corpus snapshot — 2026-07-06

Built corpus snapshot (server-side SQLite). Restore: gunzip -c corpus-20260706.db.gz > data/corpus.db, then npm run api.

Contents: 70717 tracks, 1621 artists, 3551 albums, 10259 singles, 1837 artist playlists, 10002 community playlists (whitelisted-only at serve time).

Coverage, measured at publish: release dates 70715/70717 tracks (own or album /player date), 13801/13810 releases dated; durations 70712/70717; play counts 40477 tracks (where YouTube shows them).

rejected-artists.json: non-whitelisted artist channels found inside the community playlists, ranked by dropped-track count (whitelist-review candidates).

Automated daily backup.

Corpus snapshot — 2026-07-05

Built corpus snapshot (server-side SQLite). Restore: gunzip -c corpus-20260705.db.gz > data/corpus.db, then npm run api.

Contents: 70,715 tracks, 1,621 artists, 3,551 albums, 10,258 singles, 1,837 artist playlists, 10,002 community playlists (whitelisted-only at serve time).

Detail metadata, all measured:

• Release dates: 100% of tracks carry an accurate releaseDate (70,715/70,715; 14,744 per-track /player dates for videos + standalone, album audio inherits its album's real date). 13,801/13,809 releases dated via /player (99.9%); the 8 undated are trackless album stubs (no sample track to date from, zero tracks affected).
• Durations: 70,711/70,715 (~100%).
• Play counts: 40,475 tracks (where YouTube shows them; drives the /artist Top-songs sort).
• Read-time album aggregates (type / trackCount / totalDurationSec) and releaseDate on every result endpoint.

rejected-artists.json: non-whitelisted artist channels found inside the community playlists, ranked by dropped-track count (whitelist-review candidates).

Corpus snapshot — 2026-07-01

Built corpus snapshot (server-side SQLite). Restore: gunzip -c corpus-20260701.db.gz > data/corpus.db, then npm run api.

Contents: 70,392 tracks, 1,619 artists, 3,546 albums, 10,220 singles, 1,835 artist playlists, 10,633 community playlists (whitelisted-only at serve time).

New in this snapshot — full detail metadata, all measured:

• Release dates: 100% of tracks carry an accurate releaseDate (14,521 per-track /player dates for videos + standalone; album audio inherits its album's real date). 13,648/13,766 releases dated via /player (99.1%; the remainder are trackless album stubs).
• Durations: 70,392/70,392 (100%).
• Play counts: 39,096 tracks (where YouTube shows them; drives the /artist Top-songs sort).
• Read-time album aggregates (type / trackCount / totalDurationSec) and releaseDate on every result endpoint.

rejected-artists.json: non-whitelisted artist channels found inside the community playlists, ranked by dropped-track count (whitelist-review candidates); unchanged since 2026-06-29.

Corpus snapshot — 2026-06-28

Built corpus snapshot (server-side SQLite). Restore: gunzip -c corpus-20260628.db.gz > data/corpus.db, then npm run api.

Contents: 76,765 tracks, 1,603 artists, 3,562 albums, 10,212 singles, 1,782 artist playlists, 10,445 community playlists (whitelisted-only at serve time), 3,565 releases dated via /player.

rejected-artists.json: 9,672 non-whitelisted artist channels found inside the community playlists, ranked by dropped-track count (whitelist-review candidates). Schema: {description, count, artists:[{count, name, channelId, url, sample}]}.