ISRC AUAB09950444
Verified recording
AUAB09950444 is “The Merry Widow, Act I, Scene 2: Polka - Finale of Act I (Arr. John Lanchbery and Alan Abbott)” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x38e04bb63279040e80de3914d182e4e2f7ed33f7b4e4cf0d9b2585d66d7eff5c and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950444.
Recording identifiers
- ISRC
- AUAB09950444
- Title
- The Merry Widow, Act I, Scene 2: Polka - Finale of Act I (Arr. John Lanchbery and Alan Abbott)
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x38e04bb63279040e80de3914d182e4e2f7ed33f7b4e4cf0d9b2585d66d7eff5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:daf4c8c94b3b22f4952772041deccbe9876cdaf4de89b756c7bdef661f0b9caf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950444
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Merry Widow, Act I, Scene 2: Polka - Finale of Act I (Arr. John Lanchbery and Alan Abbott) · Machine-readable JSON-LD