ISRC GBJ2F1010759
Verified recording
GBJ2F1010759 is “The Merry Widow: Act II, "Es waren zwei Königskinder"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x669d06bd653af308a84091878ab499147cedd64cb89ed5174e688caea5dc54c9 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010759.
Recording identifiers
- ISRC
- GBJ2F1010759
- Title
- The Merry Widow: Act II, "Es waren zwei Königskinder"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x669d06bd653af308a84091878ab499147cedd64cb89ed5174e688caea5dc54c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:eeb42424fcf2c143b3d54fcc1375f617989774cb535b64ae44b92d1dcebd8e9e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010759
- Bitcoin block existence check
- https://blockstream.info/api/block/960354
Full record
Track page: The Merry Widow: Act II, "Es waren zwei Königskinder" · Machine-readable JSON-LD