ISRC USNO19745712
Verified recording
USNO19745712 is “Kyrie II” by Guillaume de Machaut,
registered on the CopyrightChains blockchain with CopyrightID
0x018e0afb399eb100792320d31138d644d39b402261fe35c064f0134631152316 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19745712.
Recording identifiers
- ISRC
- USNO19745712
- Title
- Kyrie II
- Artist
- Guillaume de Machaut
- CopyrightID (CopyrightChains transaction hash)
0x018e0afb399eb100792320d31138d644d39b402261fe35c064f0134631152316
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:8f16c04a403fe187f217bdd0a1edf87dae7d70d70a1ccdb8c04ac0959ba4e03a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19745712
- Bitcoin block existence check
- https://blockstream.info/api/block/959128