ISRC GBAYC8904176
Verified recording
GBAYC8904176 is “Mass for 4 voices with Propers from the Feast of St Peter and St Paul from Gradualia 1607: Kyrie” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0x4fcb787b44f4d2524f8e2e0f2809708c97d22cd8dde26ab0a7e34670b76c3422 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8904176.
Recording identifiers
- ISRC
- GBAYC8904176
- Title
- Mass for 4 voices with Propers from the Feast of St Peter and St Paul from Gradualia 1607: Kyrie
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0x4fcb787b44f4d2524f8e2e0f2809708c97d22cd8dde26ab0a7e34670b76c3422
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:384d42eb3470d69a90bf51b2c75489d22f2f05e3cf973a0b2a2e3e9b75ca6892- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8904176
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Mass for 4 voices with Propers from the Feast of St Peter and St Paul from Gradualia 1607: Kyrie · Machine-readable JSON-LD