ISRC CAL540709401
Verified recording
CAL540709401 is “Je m'demande” by Martin Léon,
registered on the CopyrightChains blockchain with CopyrightID
0xe27de9cddf9f964b39609455064aceee9df18ae0d9cf059d22c54708960619d1 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAL540709401.
Recording identifiers
- ISRC
- CAL540709401
- Title
- Je m'demande
- Artist
- Martin Léon
- CopyrightID (CopyrightChains transaction hash)
0xe27de9cddf9f964b39609455064aceee9df18ae0d9cf059d22c54708960619d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e8922be03cb3a73828d3ac781c04f50f242eda140028ba79f3bb829fe556352c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAL540709401
- Bitcoin block existence check
- https://blockstream.info/api/block/956304