ISRC GBF079840140
Verified recording
GBF079840140 is “Die lustige Witwe / Act 3: "Lippen schweigen"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xd74a06a1bb303f1c02a717b74a1012f7e9be50d80050150157b6e8a6c53ac267 and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079840140.
Recording identifiers
- ISRC
- GBF079840140
- Title
- Die lustige Witwe / Act 3: "Lippen schweigen"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xd74a06a1bb303f1c02a717b74a1012f7e9be50d80050150157b6e8a6c53ac267
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:933edc1f5e1d350b6adebb0dbdc5d5897291b51d0dd35bd6e503d683be09aaa7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079840140
- Bitcoin block existence check
- https://blockstream.info/api/block/960404
Full record
Track page: Die lustige Witwe / Act 3: "Lippen schweigen" · Machine-readable JSON-LD