ISRC GBJ2F1010762
Verified recording
GBJ2F1010762 is “The Merry Widow: Act III, "Gospodina, pravalni!"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x3b5aa83440c5ced19d7900c7f88eef0f46fc94f5893002f821dfedd25e8bf9e1 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010762.
Recording identifiers
- ISRC
- GBJ2F1010762
- Title
- The Merry Widow: Act III, "Gospodina, pravalni!"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x3b5aa83440c5ced19d7900c7f88eef0f46fc94f5893002f821dfedd25e8bf9e1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:6a52f3b3860265a6bbc105d8128406154f351fd2fe58a8717dafe3bf47f981ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010762
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: The Merry Widow: Act III, "Gospodina, pravalni!" · Machine-readable JSON-LD