ISRC JPCO04700270
Verified recording
JPCO04700270 is “Calling Dr. Jazz” by Fats Navarro,
registered on the CopyrightChains blockchain with CopyrightID
0xc86d4cd3cb66dc886e23ebae3e68e1eca3381fbd9b89b2339a2990eebc9ad067 and independently timestamped
in Bitcoin block 960250 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO04700270.
Recording identifiers
- ISRC
- JPCO04700270
- Title
- Calling Dr. Jazz
- Artist
- Fats Navarro
- CopyrightID (CopyrightChains transaction hash)
0xc86d4cd3cb66dc886e23ebae3e68e1eca3381fbd9b89b2339a2990eebc9ad067
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T11:13:28+00:00
- Bitcoin block
- 960250
- Canonical record hash
sha256:638321fca69527f25fecce6f065546cf4f9e8419fca447b736611910e16b7f36- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO04700270
- Bitcoin block existence check
- https://blockstream.info/api/block/960250