ISRC AUAB09950453
Verified recording
AUAB09950453 is “The Merry Widow, Act III: Opening Polka (Arr. John Lanchbery and Alan Abbott)” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xccb42210189b8a60467516af921b9eb829182c1b9eb4bc412ba272d97aa8719f and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950453.
Recording identifiers
- ISRC
- AUAB09950453
- Title
- The Merry Widow, Act III: Opening Polka (Arr. John Lanchbery and Alan Abbott)
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xccb42210189b8a60467516af921b9eb829182c1b9eb4bc412ba272d97aa8719f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:6b84f31ed7132944f052654afbfa649df6811b46f7a595fde3ec5d07eeaa8e2a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB09950453
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: The Merry Widow, Act III: Opening Polka (Arr. John Lanchbery and Alan Abbott) · Machine-readable JSON-LD