ISRC DEF057230429
Verified recording
DEF057230429 is “Die lustige Witwe, Act II: Dialogue. Ah, die Baronin und Herr Rosillon” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x2e5b786fffa4ec44ac2d75dabc09fda02618b37aefcdb190340155f894c36acb 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/DEF057230429.
Recording identifiers
- ISRC
- DEF057230429
- Title
- Die lustige Witwe, Act II: Dialogue. Ah, die Baronin und Herr Rosillon
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x2e5b786fffa4ec44ac2d75dabc09fda02618b37aefcdb190340155f894c36acb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a74e5a8a6bcec2d3e07feabc2f7064f332a5c1124b2a5dbdc765a0c1ea860292- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230429
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe, Act II: Dialogue. Ah, die Baronin und Herr Rosillon · Machine-readable JSON-LD