ISRC DEF066810610
Verified recording
DEF066810610 is “The Merry Widow (Die lustige Witwe) / Act 2: Komm in den kleinen Pavillon” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x498129ce205ae952fbd747166b927c7f3de77500b5779feec3b50caf430599c9 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066810610.
Recording identifiers
- ISRC
- DEF066810610
- Title
- The Merry Widow (Die lustige Witwe) / Act 2: Komm in den kleinen Pavillon
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x498129ce205ae952fbd747166b927c7f3de77500b5779feec3b50caf430599c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:bc5379716fdc9031f495e81099593f8730ad7575946f2f58e4d7742a8571ba19- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066810610
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: The Merry Widow (Die lustige Witwe) / Act 2: Komm in den kleinen Pavillon · Machine-readable JSON-LD