ISRC DEF057502690
Verified recording
DEF057502690 is “Qui es promesses” by Guillaume de Machaut,
registered on the CopyrightChains blockchain with CopyrightID
0x536155f077910d20450e8437d1d5950606fa93096ca8aaa395a2a4745a57efdf and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057502690.
Recording identifiers
- ISRC
- DEF057502690
- Title
- Qui es promesses
- Artist
- Guillaume de Machaut
- CopyrightID (CopyrightChains transaction hash)
0x536155f077910d20450e8437d1d5950606fa93096ca8aaa395a2a4745a57efdf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:21208af39c7544995055f9f89e3fd86fedafaa21cadc970e1045fca1eb16372d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057502690
- Bitcoin block existence check
- https://blockstream.info/api/block/960344