ISRC CAL540102203
Verified recording
CAL540102203 is “Tu comprends rien” by Martin Léon,
registered on the CopyrightChains blockchain with CopyrightID
0xa18bc325c4bdb3e7d6de56a921daa844508946162462976b4da12662706a6983 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/CAL540102203.
Recording identifiers
- ISRC
- CAL540102203
- Title
- Tu comprends rien
- Artist
- Martin Léon
- CopyrightID (CopyrightChains transaction hash)
0xa18bc325c4bdb3e7d6de56a921daa844508946162462976b4da12662706a6983
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f8b0687306ed58d0a2c97c8cafd291788bdbad0d19a765c1f7ab4d192cd78658- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAL540102203
- Bitcoin block existence check
- https://blockstream.info/api/block/956304