ISRC GBF077742412
Verified recording
GBF077742412 is “The Merry Widow / Act 3: Njegus's Aria: I was born by cruel fate” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x5c1fac1d99ada78e8e44ab71556a0b10c085855083c6b8eaf19318f7dd4eab45 and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742412.
Recording identifiers
- ISRC
- GBF077742412
- Title
- The Merry Widow / Act 3: Njegus's Aria: I was born by cruel fate
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x5c1fac1d99ada78e8e44ab71556a0b10c085855083c6b8eaf19318f7dd4eab45
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:12fafb4c925c58f6e7fcd0dd308e9b4b15a826af5dff3055610861c0af967035- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742412
- Bitcoin block existence check
- https://blockstream.info/api/block/960410
Full record
Track page: The Merry Widow / Act 3: Njegus's Aria: I was born by cruel fate · Machine-readable JSON-LD