ISRC DEF057230420
Verified recording
DEF057230420 is “Die lustige Witwe, Act I: No. 6, Finale: b. Hilfe kommt zur rechten Zeit!” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xcfa5df51b3fcdb8509f23f98350865680487080748aa62ebd655d1082aaa52b7 and independently timestamped
in Bitcoin block 960125 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230420.
Recording identifiers
- ISRC
- DEF057230420
- Title
- Die lustige Witwe, Act I: No. 6, Finale: b. Hilfe kommt zur rechten Zeit!
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xcfa5df51b3fcdb8509f23f98350865680487080748aa62ebd655d1082aaa52b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:38:18+00:00
- Bitcoin block
- 960125
- Canonical record hash
sha256:fa804dedd8008f06a840ff4b98b8e9cedcbab83c68897e68bc88abaf00926109- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230420
- Bitcoin block existence check
- https://blockstream.info/api/block/960125
Full record
Track page: Die lustige Witwe, Act I: No. 6, Finale: b. Hilfe kommt zur rechten Zeit! · Machine-readable JSON-LD