ISRC GBBBC2201439
Verified recording
GBBBC2201439 is “Mass for Four Voices: IIIb. Qui propter nos homines” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0x40fcf6000bb73be1ef88c111984f03609361f9715b62ae45ce8538a433f4538d 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/GBBBC2201439.
Recording identifiers
- ISRC
- GBBBC2201439
- Title
- Mass for Four Voices: IIIb. Qui propter nos homines
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0x40fcf6000bb73be1ef88c111984f03609361f9715b62ae45ce8538a433f4538d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f4be778310c754e3688906d23a2d1f167a2b2b208e228726db0817b9729d8628- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201439
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mass for Four Voices: IIIb. Qui propter nos homines · Machine-readable JSON-LD