ISRC GBAYC0000788
Verified recording
GBAYC0000788 is “Missa brevis in A BWV 234: Quoniam tu solus (countertenor)” by Guy Williams,
registered on the CopyrightChains blockchain with CopyrightID
0x9ba8ec41c3ea4b2f3ed9938ba710673ec4a0880eb3fd36341469394a733ed62b and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000788.
Recording identifiers
- ISRC
- GBAYC0000788
- Title
- Missa brevis in A BWV 234: Quoniam tu solus (countertenor)
- Artist
- Guy Williams
- CopyrightID (CopyrightChains transaction hash)
0x9ba8ec41c3ea4b2f3ed9938ba710673ec4a0880eb3fd36341469394a733ed62b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:01a992e0199ba27aad132bd80d467f2a86ce45ebd14984ff2d606f07b7a5eb34- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000788
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Missa brevis in A BWV 234: Quoniam tu solus (countertenor) · Machine-readable JSON-LD