ISRC DEF057230419
Verified recording
DEF057230419 is “Die lustige Witwe, Act I: No. 6, Finale: a. Damenwahl!” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xec1cb3dc4513fe8f85378e17d548f6a528f70ab7ab10923974fa42385254c3cb and independently timestamped
in Bitcoin block 957052 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230419.
Recording identifiers
- ISRC
- DEF057230419
- Title
- Die lustige Witwe, Act I: No. 6, Finale: a. Damenwahl!
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xec1cb3dc4513fe8f85378e17d548f6a528f70ab7ab10923974fa42385254c3cb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:50:41+00:00
- Bitcoin block
- 957052
- Canonical record hash
sha256:24118e69ca431060c805fd037190c16ec3c305f0ed2363e5a55dabf444129b92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230419
- Bitcoin block existence check
- https://blockstream.info/api/block/957052
Full record
Track page: Die lustige Witwe, Act I: No. 6, Finale: a. Damenwahl! · Machine-readable JSON-LD