ISRC USC4R2003699
Verified recording
USC4R2003699 is “Letter To Evan - Live At L'Espace Cardin / 1979” by Bill Evans,
registered on the CopyrightChains blockchain with CopyrightID
0x858e64c4b3dd30b0664f413d3125ed149bccfb2c2eed28a8aa7c7b978a3bcc43 and independently timestamped
in Bitcoin block 960183 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2003699.
Recording identifiers
- ISRC
- USC4R2003699
- Title
- Letter To Evan - Live At L'Espace Cardin / 1979
- Artist
- Bill Evans
- CopyrightID (CopyrightChains transaction hash)
0x858e64c4b3dd30b0664f413d3125ed149bccfb2c2eed28a8aa7c7b978a3bcc43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:10:20+00:00
- Bitcoin block
- 960183
- Canonical record hash
sha256:4536ab5a4cf0fd791d4905086c2062aad579c533cc0cc7009df0d864c0031b07- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2003699
- Bitcoin block existence check
- https://blockstream.info/api/block/960183
Full record
Track page: Letter To Evan - Live At L'Espace Cardin / 1979 · Machine-readable JSON-LD