ISRC FRZ209616818
Verified recording
FRZ209616818 is “Offenbach: Les contes d'Hoffmann, Act 1: "Ma maîtresse ?" (Hoffmann, Nicklausse, Chœur)” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x559ae3cd18fc6bf62998abfaede35276ebecf9cc9c5e7a91c6b0b14e5c6b9166 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616818.
Recording identifiers
- ISRC
- FRZ209616818
- Title
- Offenbach: Les contes d'Hoffmann, Act 1: "Ma maîtresse ?" (Hoffmann, Nicklausse, Chœur)
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x559ae3cd18fc6bf62998abfaede35276ebecf9cc9c5e7a91c6b0b14e5c6b9166
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:0d9f5a89818379e355223007bf17dc0f114130cd2151d4dd6147a2b880d48057- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616818
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Offenbach: Les contes d'Hoffmann, Act 1: "Ma maîtresse ?" (Hoffmann, Nicklausse, Chœur) · Machine-readable JSON-LD