ISRC GBBBC2201443
Verified recording
GBBBC2201443 is “Mass for Four Voices: IVb. Pleni sunt Caeli” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0xddda7e8acff58a4c806b3a066edc9abfda60f3161118a94c06f888dedf1c93d3 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201443.
Recording identifiers
- ISRC
- GBBBC2201443
- Title
- Mass for Four Voices: IVb. Pleni sunt Caeli
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0xddda7e8acff58a4c806b3a066edc9abfda60f3161118a94c06f888dedf1c93d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:7b9047a22d8b691b16db12d5a31da8289eebdfd04623e3bdd73b5cf31643fc84- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201443
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Mass for Four Voices: IVb. Pleni sunt Caeli · Machine-readable JSON-LD