ISRC GBF077742409
Verified recording
GBF077742409 is “The Merry Widow / Act 2: Romanza: Love in my heart was dying” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xc57b47d8bd31915e13b914e6372d5b625784028acfa5fd1920b7da36a2a6c6a8 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/GBF077742409.
Recording identifiers
- ISRC
- GBF077742409
- Title
- The Merry Widow / Act 2: Romanza: Love in my heart was dying
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xc57b47d8bd31915e13b914e6372d5b625784028acfa5fd1920b7da36a2a6c6a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f7a2f773f7652b488201d13de9cac4415887b6cd82033cf8d0bd1f3fa3327032- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742409
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Merry Widow / Act 2: Romanza: Love in my heart was dying · Machine-readable JSON-LD