ISRC GBJ2F1010743
Verified recording
GBJ2F1010743 is “The Merry Widow: Act I, "Ach Njegus, Geliebter, wo ist Vaterland?"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x4638a1ce411ebb26776bb75f5764b0807c9c815f1dce6e9147e4e62fe3c66b2d and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010743.
Recording identifiers
- ISRC
- GBJ2F1010743
- Title
- The Merry Widow: Act I, "Ach Njegus, Geliebter, wo ist Vaterland?"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x4638a1ce411ebb26776bb75f5764b0807c9c815f1dce6e9147e4e62fe3c66b2d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:f09c88c40e54225bf1bc343ebb818955639452061e632e4e3d03600c6655b058- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010743
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: The Merry Widow: Act I, "Ach Njegus, Geliebter, wo ist Vaterland?" · Machine-readable JSON-LD