ISRC GBBBC2201442
Verified recording
GBBBC2201442 is “Mass for Four Voices: IVa. Sanctus” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0xc46e802675e98c383d31b23b528cb2e0cb3f7e8e981fd6cbb07e9994ee59615c and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201442.
Recording identifiers
- ISRC
- GBBBC2201442
- Title
- Mass for Four Voices: IVa. Sanctus
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0xc46e802675e98c383d31b23b528cb2e0cb3f7e8e981fd6cbb07e9994ee59615c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:138bbac45b735063e41baea6d6ea96a28ac2367bdc2da3341f80cda38781e25c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201442
- Bitcoin block existence check
- https://blockstream.info/api/block/960117
Full record
Track page: Mass for Four Voices: IVa. Sanctus · Machine-readable JSON-LD