ISRC GBUM72303882
Verified recording
GBUM72303882 is “Mass for 4 Voices, T 1: Gloria” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0x2908a25bee1c95589e1eb1027a2f54355ac31e9b3ba9d33b9f47372534a0304b and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72303882.
Recording identifiers
- ISRC
- GBUM72303882
- Title
- Mass for 4 Voices, T 1: Gloria
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0x2908a25bee1c95589e1eb1027a2f54355ac31e9b3ba9d33b9f47372534a0304b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:b55c17fd762c4e8c6a79b2c006e4c976370f1b04dd84ad2a41cee6038db05923- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72303882
- Bitcoin block existence check
- https://blockstream.info/api/block/960229
Full record
Track page: Mass for 4 Voices, T 1: Gloria · Machine-readable JSON-LD