ISRC DEF059430318
Verified recording
DEF059430318 is “Die lustige Witwe / Act II: "Nein, nein, nein" - "Mein Freund! Vernunft!" - "Wie eine Rosenknospe"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x5ec1fa7918a780af7b665a5340f6de4af8e25eed79c597e0f59fbe033b0d8df5 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430318.
Recording identifiers
- ISRC
- DEF059430318
- Title
- Die lustige Witwe / Act II: "Nein, nein, nein" - "Mein Freund! Vernunft!" - "Wie eine Rosenknospe"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x5ec1fa7918a780af7b665a5340f6de4af8e25eed79c597e0f59fbe033b0d8df5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:60b5ce3bd2928b0481afda1d258c2f6367eb7a045f587f36ec09a306cf065de6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430318
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Die lustige Witwe / Act II: "Nein, nein, nein" - "Mein Freund! Vernunft!" - "Wie eine Rosenknospe" · Machine-readable JSON-LD