ISRC NLA508543632
Verified recording
NLA508543632 is “Les Contes d'Hoffmann / Act 3: "Pourtant, ô ma fiancée"” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x7cdbc99d4071106d866c1e19a4af87c10d893c99d5a42fb1fce6edb6b44b628e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543632.
Recording identifiers
- ISRC
- NLA508543632
- Title
- Les Contes d'Hoffmann / Act 3: "Pourtant, ô ma fiancée"
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x7cdbc99d4071106d866c1e19a4af87c10d893c99d5a42fb1fce6edb6b44b628e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:a1a4347de252c8e4cd83ed5944b24c7d6db81dbb0d5dd202d28071c95f2be2f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508543632
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Les Contes d'Hoffmann / Act 3: "Pourtant, ô ma fiancée" · Machine-readable JSON-LD