ISRC USNO19745716
Verified recording
USNO19745716 is “Kyrie III” by Guillaume de Machaut,
registered on the CopyrightChains blockchain with CopyrightID
0x4ef2d51a6c349eb246331ef4a765ec1949e62cfc04a7454d0c62b79cd5e7db2b and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19745716.
Recording identifiers
- ISRC
- USNO19745716
- Title
- Kyrie III
- Artist
- Guillaume de Machaut
- CopyrightID (CopyrightChains transaction hash)
0x4ef2d51a6c349eb246331ef4a765ec1949e62cfc04a7454d0c62b79cd5e7db2b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:37413bbdf727b27ba67bfac44f811ea96ad9ed9b73aeddfc86c01d11db71f562- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19745716
- Bitcoin block existence check
- https://blockstream.info/api/block/957118