ISRC GBF077742407
Verified recording
GBF077742407 is “The Merry Widow / Act 2: Vilia Song: Let's all now waken memories” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xf58521cee12df6ab962050fcf6a283d4c2e682656bccb857a610961167e373b5 and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742407.
Recording identifiers
- ISRC
- GBF077742407
- Title
- The Merry Widow / Act 2: Vilia Song: Let's all now waken memories
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xf58521cee12df6ab962050fcf6a283d4c2e682656bccb857a610961167e373b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:68115ec641c0937ee6fb661002793956c6f3aa6a42cd00fc9442fe162736e932- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742407
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: The Merry Widow / Act 2: Vilia Song: Let's all now waken memories · Machine-readable JSON-LD