ISRC GBAYC8400419
Verified recording
GBAYC8400419 is “Requiem (Missa pro defunctis) a 2-4: Offertorium: Domine Jesu Christe” by Johannes Ockeghem,
registered on the CopyrightChains blockchain with CopyrightID
0x47a7def9624a897b006c0e67cbd2898cb0774c39c6dab49ebe3446aa99af81e2 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8400419.
Recording identifiers
- ISRC
- GBAYC8400419
- Title
- Requiem (Missa pro defunctis) a 2-4: Offertorium: Domine Jesu Christe
- Artist
- Johannes Ockeghem
- CopyrightID (CopyrightChains transaction hash)
0x47a7def9624a897b006c0e67cbd2898cb0774c39c6dab49ebe3446aa99af81e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e17561c85653da9a067d4f1bcfb985879135b466af5f06103b078391d64eadf0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8400419
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Requiem (Missa pro defunctis) a 2-4: Offertorium: Domine Jesu Christe · Machine-readable JSON-LD