ISRC DEN961204410
Verified recording
DEN961204410 is “The Merry Widow (Die lustige Witwe) / Act II: Lippen schweigen” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x65f5872242d55da9619a032edbb6f3f303f0c4cdd92b43880407431b1a9f7298 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/DEN961204410.
Recording identifiers
- ISRC
- DEN961204410
- Title
- The Merry Widow (Die lustige Witwe) / Act II: Lippen schweigen
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x65f5872242d55da9619a032edbb6f3f303f0c4cdd92b43880407431b1a9f7298
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:eaa9ff7d9b6b0f01eac22ac27693628863edc6f48f621b49da0357d00788eb29- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961204410
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Merry Widow (Die lustige Witwe) / Act II: Lippen schweigen · Machine-readable JSON-LD