ISRC CAL540709407
Verified recording
CAL540709407 is “Jackie” by Martin Léon,
registered on the CopyrightChains blockchain with CopyrightID
0xd026d83da0132d94fb8443312ae65cf194901d92dbe393f7dde2db39e7b18d27 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAL540709407.
Recording identifiers
- ISRC
- CAL540709407
- Title
- Jackie
- Artist
- Martin Léon
- CopyrightID (CopyrightChains transaction hash)
0xd026d83da0132d94fb8443312ae65cf194901d92dbe393f7dde2db39e7b18d27
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:e35b46048dd8567c9384233c01c5aeaa2f8c5064de46ddbed3b02ba613f54ff0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAL540709407
- Bitcoin block existence check
- https://blockstream.info/api/block/960240