ISRC GBJ2F1010760
Verified recording
GBJ2F1010760 is “The Merry Widow: Act III, "Njegus, was ist das mit der Musik?"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x2c94212f1997edab14fac1a805c4190f301ade170a622a988c64b38a9e17a887 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/GBJ2F1010760.
Recording identifiers
- ISRC
- GBJ2F1010760
- Title
- The Merry Widow: Act III, "Njegus, was ist das mit der Musik?"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x2c94212f1997edab14fac1a805c4190f301ade170a622a988c64b38a9e17a887
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5b45b1c32c39260b192285321847fb9df739cb9dbadecfc2a856fddbc8bffdf9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010760
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Merry Widow: Act III, "Njegus, was ist das mit der Musik?" · Machine-readable JSON-LD