ISRC GBBBC2201440
Verified recording
GBBBC2201440 is “Mass for Four Voices: IIIc. Et in Spiritum Sanctum” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0x5012889f9287225beb46884098c56f380d709a95a80f07204b2dd8f414056016 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201440.
Recording identifiers
- ISRC
- GBBBC2201440
- Title
- Mass for Four Voices: IIIc. Et in Spiritum Sanctum
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0x5012889f9287225beb46884098c56f380d709a95a80f07204b2dd8f414056016
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:d46d2ba70fd49d1eb0fb547820e610cdb358069ac9d8353ed0a70046ae83a4c7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201440
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Mass for Four Voices: IIIc. Et in Spiritum Sanctum · Machine-readable JSON-LD