ISRC GBLLH2377603
Verified recording
GBLLH2377603 is “Mass for Four Voices: I. Kyrie eleison” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0xd75582047138089deb9101a36bf1dc2000bd6d82a1151a5d4fb4fae420f86e1a and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2377603.
Recording identifiers
- ISRC
- GBLLH2377603
- Title
- Mass for Four Voices: I. Kyrie eleison
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0xd75582047138089deb9101a36bf1dc2000bd6d82a1151a5d4fb4fae420f86e1a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:981967f363bd36a35cb49c95b39f56b2c68affb1cc983d73434eb8ab09d6575a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH2377603
- Bitcoin block existence check
- https://blockstream.info/api/block/960300
Full record
Track page: Mass for Four Voices: I. Kyrie eleison · Machine-readable JSON-LD