ISRC FRZ335604090
Verified recording
FRZ335604090 is “Jack’s Blues” by Bill Evans,
registered on the CopyrightChains blockchain with CopyrightID
0x428520cdd713167358a710c65f5a60c9d4bb0f17489ba6df5620b5d32ee77e7d and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ335604090.
Recording identifiers
- ISRC
- FRZ335604090
- Title
- Jack’s Blues
- Artist
- Bill Evans
- CopyrightID (CopyrightChains transaction hash)
0x428520cdd713167358a710c65f5a60c9d4bb0f17489ba6df5620b5d32ee77e7d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:2a8900010698869e1b42e3ece7c09cbb233ae9c8178a659b179f17863984ae43- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ335604090
- Bitcoin block existence check
- https://blockstream.info/api/block/960258