ISRC DEF057502700
Verified recording
DEF057502700 is “Hoquetus David” by Guillaume de Machaut,
registered on the CopyrightChains blockchain with CopyrightID
0x246a1d8f8204060c001b4154c04d4d0b57424edcf5e12aaee91c34f802bdaabc and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057502700.
Recording identifiers
- ISRC
- DEF057502700
- Title
- Hoquetus David
- Artist
- Guillaume de Machaut
- CopyrightID (CopyrightChains transaction hash)
0x246a1d8f8204060c001b4154c04d4d0b57424edcf5e12aaee91c34f802bdaabc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:bf713d7f49e88fd40f86d9d2ba0a6a18f3b28c76e12f705de5e03cacb8c1b319- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057502700
- Bitcoin block existence check
- https://blockstream.info/api/block/960273