ISRC DEF059430320
Verified recording
DEF059430320 is “Die lustige Witwe / Act II: "Ha!Ha!" - "Wir fragen, was man von uns will!"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xf40c08adc16dd65471dcf6435a8c383bc4353032188940750d204ea306eb3d0f and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430320.
Recording identifiers
- ISRC
- DEF059430320
- Title
- Die lustige Witwe / Act II: "Ha!Ha!" - "Wir fragen, was man von uns will!"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xf40c08adc16dd65471dcf6435a8c383bc4353032188940750d204ea306eb3d0f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:075db01691d1d779253182b115c0269290ebfeccb392683c66f008dc7d19a350- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430320
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe / Act II: "Ha!Ha!" - "Wir fragen, was man von uns will!" · Machine-readable JSON-LD