ISRC GBBBC2201437
Verified recording
GBBBC2201437 is “Mass for Four Voices: IIb. Domine Deus” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0x0fa404576b157140526057329a99db5c9c784dbef6367da9f8eb13799bfd333c and independently timestamped
in Bitcoin block 959145 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201437.
Recording identifiers
- ISRC
- GBBBC2201437
- Title
- Mass for Four Voices: IIb. Domine Deus
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0x0fa404576b157140526057329a99db5c9c784dbef6367da9f8eb13799bfd333c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:39:05+00:00
- Bitcoin block
- 959145
- Canonical record hash
sha256:d334538eaa63466d68fd9b851382292c465a09385ebe41028e8f5f652613ff77- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201437
- Bitcoin block existence check
- https://blockstream.info/api/block/959145
Full record
Track page: Mass for Four Voices: IIb. Domine Deus · Machine-readable JSON-LD