ISRC DEF057230433
Verified recording
DEF057230433 is “Die lustige Witwe, Act II: No. 12, Finale. e. Es waren zwei Königskinder” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x6d855320820f2bb0dea29db73c501f1dfd039ab8fe4713af6cfb136fd1bdda49 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/DEF057230433.
Recording identifiers
- ISRC
- DEF057230433
- Title
- Die lustige Witwe, Act II: No. 12, Finale. e. Es waren zwei Königskinder
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x6d855320820f2bb0dea29db73c501f1dfd039ab8fe4713af6cfb136fd1bdda49
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1b559bebf6f8a516ab0c3ec378be6b864f875121ff774e697af4fc4607f603e5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230433
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe, Act II: No. 12, Finale. e. Es waren zwei Königskinder · Machine-readable JSON-LD