ISRC GBBBC2201444

Verified recording

GBBBC2201444 is “Mass for Four Voices: IVc. Benedictus” by William Byrd, registered on the CopyrightChains blockchain with CopyrightID 0x5ee4ede0c601f8017fc077083a7d20b99c167b85d86490e818e9df331be3b12f and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201444.

Recording identifiers

ISRC
GBBBC2201444
Title
Mass for Four Voices: IVc. Benedictus
Artist
William Byrd
CopyrightID (CopyrightChains transaction hash)
0x5ee4ede0c601f8017fc077083a7d20b99c167b85d86490e818e9df331be3b12f

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:86e8540348c7abb52552d224a6fb403561f77b07d23767a6e7d69a0a381e103a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2201444
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: Mass for Four Voices: IVc. Benedictus · Machine-readable JSON-LD