ISRC GBLLH2377604
Verified recording
GBLLH2377604 is “Mass for Four Voices: II. Gloria in excelsis” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0x5d787fd8e3a4099515d5b9c3fdd23ee16ea4c0c4a1a5663dbf1e79cba06c990b and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2377604.
Recording identifiers
- ISRC
- GBLLH2377604
- Title
- Mass for Four Voices: II. Gloria in excelsis
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0x5d787fd8e3a4099515d5b9c3fdd23ee16ea4c0c4a1a5663dbf1e79cba06c990b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:ddc985207904b858e0323c1ee85884a54ca41f8aa5893f7cfccae9bcdfe7be71- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2377604
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Mass for Four Voices: II. Gloria in excelsis · Machine-readable JSON-LD