ISRC GBF077742405
Verified recording
GBF077742405 is “The Merry Widow / Act 1: Duet: Proceed. One girl has almond eyes” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x0bdfc68912473b2029028a23972c66d65c2e2f28064c87ce765b9e8aedf8bc01 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742405.
Recording identifiers
- ISRC
- GBF077742405
- Title
- The Merry Widow / Act 1: Duet: Proceed. One girl has almond eyes
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x0bdfc68912473b2029028a23972c66d65c2e2f28064c87ce765b9e8aedf8bc01
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:ace3816a3390ea1ba27c7bfc578ad598d4f3be3523947394a53fe69d399725ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742405
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: The Merry Widow / Act 1: Duet: Proceed. One girl has almond eyes · Machine-readable JSON-LD