ISRC ITDQ70656291
Verified recording
ITDQ70656291 is “Mass for Four Voices: Kyrie” by William Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0x62426e443afa75af6300a8468a35e239dd64608786bba83b43a477213afcf59f and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70656291.
Recording identifiers
- ISRC
- ITDQ70656291
- Title
- Mass for Four Voices: Kyrie
- Artist
- William Byrd
- CopyrightID (CopyrightChains transaction hash)
0x62426e443afa75af6300a8468a35e239dd64608786bba83b43a477213afcf59f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:e24dc67046d508b1a41dfe4b2840043480c556cfc5aa17f68eea733fa8c24222- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70656291
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Mass for Four Voices: Kyrie · Machine-readable JSON-LD