ISRC NLA507911301
Verified recording
NLA507911301 is “La belle Hélène: Overture” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x0a946caf80bf7b2c15424ab56f766693069021ba4aad85d861752d19fd9b4690 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507911301.
Recording identifiers
- ISRC
- NLA507911301
- Title
- La belle Hélène: Overture
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x0a946caf80bf7b2c15424ab56f766693069021ba4aad85d861752d19fd9b4690
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:463e18a01143b5e31587fcb1b1413854485af49b2de1c15269e64b14274380d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507911301
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: La belle Hélène: Overture · Machine-readable JSON-LD