ISRC AUAB09950443
Verified recording
AUAB09950443 is “The Merry Widow, Act I, Scene 2: Vilja (Arr. John Lanchbery and Alan Abbott)” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xbbda52ccc39da587878fe3ec3e60240bcac2b792886fdd7ad3de21326da10ab0 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950443.
Recording identifiers
- ISRC
- AUAB09950443
- Title
- The Merry Widow, Act I, Scene 2: Vilja (Arr. John Lanchbery and Alan Abbott)
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xbbda52ccc39da587878fe3ec3e60240bcac2b792886fdd7ad3de21326da10ab0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:1e6c8cdc76bfa952e7c0873d231cced4dbfd3801dcf11ea8ccac33d02ed1fe24- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950443
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: The Merry Widow, Act I, Scene 2: Vilja (Arr. John Lanchbery and Alan Abbott) · Machine-readable JSON-LD