ISRC DEF056231305
Verified recording
DEF056231305 is “Hoffmanns Erzählungen (Les Contes d'Hoffmann): "Es war einmal am Hofe von Eisenack"” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0xa79f1270b2d3c8a24778f8736efd83299883faa99f0d43db86c1fe236768faf2 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056231305.
Recording identifiers
- ISRC
- DEF056231305
- Title
- Hoffmanns Erzählungen (Les Contes d'Hoffmann): "Es war einmal am Hofe von Eisenack"
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0xa79f1270b2d3c8a24778f8736efd83299883faa99f0d43db86c1fe236768faf2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:cb36a8ac4509ece04ec77353fb6ff176dbad460bb97760002d640be0b2d54200- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056231305
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Hoffmanns Erzählungen (Les Contes d'Hoffmann): "Es war einmal am Hofe von Eisenack" · Machine-readable JSON-LD