ISRC NLA508543628
Verified recording
NLA508543628 is “Les Contes d'Hoffmann / Act 3: "Jour et nuit"” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x90e763341a519909fc5c01d379aaf0136399bede03370f57ad285d915bcd3e85 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543628.
Recording identifiers
- ISRC
- NLA508543628
- Title
- Les Contes d'Hoffmann / Act 3: "Jour et nuit"
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x90e763341a519909fc5c01d379aaf0136399bede03370f57ad285d915bcd3e85
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:da54804f902775cf3ca8e6238863184e5b6a8b5f4ca12906cdf297c20f2e0901- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543628
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Les Contes d'Hoffmann / Act 3: "Jour et nuit" · Machine-readable JSON-LD