ISRC CA5KR1579876
Verified recording
CA5KR1579876 is “Old man river” by Jerome Kern,
registered on the CopyrightChains blockchain with CopyrightID
0xcf1515c3fa5740ada29a3351cfe468cbc4f453c975ec5ee79287e164585c7172 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1579876.
Recording identifiers
- ISRC
- CA5KR1579876
- Title
- Old man river
- Artist
- Jerome Kern
- CopyrightID (CopyrightChains transaction hash)
0xcf1515c3fa5740ada29a3351cfe468cbc4f453c975ec5ee79287e164585c7172
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c669ca68d1a44bcef2456ce215a2fd8a4692a7a5e941232038b16e6bf8b39094- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1579876
- Bitcoin block existence check
- https://blockstream.info/api/block/957118