ISRC GBAYC0000781
Verified recording
GBAYC0000781 is “Missa brevis in A BWV 234: Kyrie” by Guy Williams,
registered on the CopyrightChains blockchain with CopyrightID
0x81fbc7054356bc3cb5d63018ff88140d0f72ce0e2b5998ba8fa2d609efddadad and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000781.
Recording identifiers
- ISRC
- GBAYC0000781
- Title
- Missa brevis in A BWV 234: Kyrie
- Artist
- Guy Williams
- CopyrightID (CopyrightChains transaction hash)
0x81fbc7054356bc3cb5d63018ff88140d0f72ce0e2b5998ba8fa2d609efddadad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:134b64632a749ffad10313b3e2042a72bb07cb7521a8487cf2422a74ef4775bf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000781
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Missa brevis in A BWV 234: Kyrie · Machine-readable JSON-LD