ISRC DEF066810510
Verified recording
DEF066810510 is “The Merry Widow (Die lustige Witwe) / Act 1: Wenn Beifall dieser Abend findet” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x696e1be377d7ce11803c0dd7228cadbfa7ec24aa1facb76edd8e0335c814b788 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/DEF066810510.
Recording identifiers
- ISRC
- DEF066810510
- Title
- The Merry Widow (Die lustige Witwe) / Act 1: Wenn Beifall dieser Abend findet
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x696e1be377d7ce11803c0dd7228cadbfa7ec24aa1facb76edd8e0335c814b788
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:57a3a934df8cd6f747a417811143fffff8f2955c4621cb9330932c30659d0c04- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066810510
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Merry Widow (Die lustige Witwe) / Act 1: Wenn Beifall dieser Abend findet · Machine-readable JSON-LD