ISRC GBF077742413
Verified recording
GBF077742413 is “The Merry Widow / Act 2: Cancan: We're the famous Maxime playgirls” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x582bdc1f210b89507d33d9225514c47f2368ba1bad7bfd0c4b54c94d308512bf and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742413.
Recording identifiers
- ISRC
- GBF077742413
- Title
- The Merry Widow / Act 2: Cancan: We're the famous Maxime playgirls
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x582bdc1f210b89507d33d9225514c47f2368ba1bad7bfd0c4b54c94d308512bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:d29508c417d0678d999b1c1f1472f2a79131cbf5debc4e8af6594818981b6b4e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077742413
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: The Merry Widow / Act 2: Cancan: We're the famous Maxime playgirls · Machine-readable JSON-LD