ISRC NLA508543603
Verified recording
NLA508543603 is “Les Contes d'Hoffmann / Act 1: "Allons! mes enfants"” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0xbb3d2d2a4d31fb4c591f839d7e2222b20d1939b0b01039c4309bba5f6fe7b5ba and independently timestamped
in Bitcoin block 960200 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543603.
Recording identifiers
- ISRC
- NLA508543603
- Title
- Les Contes d'Hoffmann / Act 1: "Allons! mes enfants"
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0xbb3d2d2a4d31fb4c591f839d7e2222b20d1939b0b01039c4309bba5f6fe7b5ba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:37:10+00:00
- Bitcoin block
- 960200
- Canonical record hash
sha256:8835e4d910399626d32656dc16c86812d4d8eea6e35afc4827b774e59be1006a- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543603
- Bitcoin block existence check
- https://blockstream.info/api/block/960200
Full record
Track page: Les Contes d'Hoffmann / Act 1: "Allons! mes enfants" · Machine-readable JSON-LD