ISRC AUAB09950446

Verified recording

AUAB09950446 is “The Merry Widow, Act II: Men's Czardas (Arr. John Lanchbery and Alan Abbott)” by Franz Lehár, registered on the CopyrightChains blockchain with CopyrightID 0x071826b0e9cf9152fdce63df75da511e5e212a9b9eb6cf30873067fe89e67367 and independently timestamped in Bitcoin block 960334 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950446.

Recording identifiers

ISRC
AUAB09950446
Title
The Merry Widow, Act II: Men's Czardas (Arr. John Lanchbery and Alan Abbott)
Artist
Franz Lehár
CopyrightID (CopyrightChains transaction hash)
0x071826b0e9cf9152fdce63df75da511e5e212a9b9eb6cf30873067fe89e67367

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15+00:00
Bitcoin block
960334
Canonical record hash
sha256:2077cb7cf58599d73b4d5283a5a6fd892d37f3506a52e8f61a776c5bbc33d289
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950446
Bitcoin block existence check
https://blockstream.info/api/block/960334

Full record

Track page: The Merry Widow, Act II: Men's Czardas (Arr. John Lanchbery and Alan Abbott) · Machine-readable JSON-LD