ISRC USSJ10813903
Verified recording
USSJ10813903 is “The Merry Widow: "Lippen schweigen" (Orchestral)” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x9f60a38d8480d834d6a350f71f8e81d39e8c1dd71befd96998bd0585e9349615 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813903.
Recording identifiers
- ISRC
- USSJ10813903
- Title
- The Merry Widow: "Lippen schweigen" (Orchestral)
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x9f60a38d8480d834d6a350f71f8e81d39e8c1dd71befd96998bd0585e9349615
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:3e55ca01650d88d625912941f745f474e7364c6f7242719961da07ff590b5a32- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813903
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: The Merry Widow: "Lippen schweigen" (Orchestral) · Machine-readable JSON-LD