ISRC GBAYC9201116
Verified recording
GBAYC9201116 is “Bach, JS: Harpsichord Concerto No. 4 in A Major, BWV 1055: II. Larghetto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xcbd55212c67c8113091514befda425db125226fb3e6cd90c584c60158b732109 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9201116.
Recording identifiers
- ISRC
- GBAYC9201116
- Title
- Bach, JS: Harpsichord Concerto No. 4 in A Major, BWV 1055: II. Larghetto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xcbd55212c67c8113091514befda425db125226fb3e6cd90c584c60158b732109
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:19f721fbd7250b0f20d8ad3082e4679ba28d9db892fcdb9394e5f753fb373934- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9201116
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Bach, JS: Harpsichord Concerto No. 4 in A Major, BWV 1055: II. Larghetto · Machine-readable JSON-LD