ISRC USWI19400021
Verified recording
USWI19400021 is “The Merry Widow (Die lustige Witwe) / Act 2: Lippen schweigen - Live” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x279caaefc207bf909cb3016243cba96b4f7842e895f3dc7e7d4867005e8ea2fd and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400021.
Recording identifiers
- ISRC
- USWI19400021
- Title
- The Merry Widow (Die lustige Witwe) / Act 2: Lippen schweigen - Live
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x279caaefc207bf909cb3016243cba96b4f7842e895f3dc7e7d4867005e8ea2fd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4995b86715f7e6665e00a7bc6d461e89498df3fee7ff8ee6b0e16f2871112e95- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400021
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: The Merry Widow (Die lustige Witwe) / Act 2: Lippen schweigen - Live · Machine-readable JSON-LD