ISRC GBLLH1540901
Verified recording
GBLLH1540901 is “Cunctis diebus” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0xec5ad6f7264c61807c88974fe7c6a7fc2b36b7086a058a3f6f737f15da46cd22 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1540901.
Recording identifiers
- ISRC
- GBLLH1540901
- Title
- Cunctis diebus
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0xec5ad6f7264c61807c88974fe7c6a7fc2b36b7086a058a3f6f737f15da46cd22
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:bc3d0df0efb8f6a4f181cf7c2e2b05c949189f7ca10e80962b7303071b376045- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1540901
- Bitcoin block existence check
- https://blockstream.info/api/block/960258