ISRC GBJ2F1010756

Verified recording

GBJ2F1010756 is “The Merry Widow: Act II, "Die Baronin und Herr Rosillon sind im Pavillon"” by Franz Lehár, registered on the CopyrightChains blockchain with CopyrightID 0x54be6e18821e178a707946c057d00864b5d0260b6245611c049490557bbeb9f9 and independently timestamped in Bitcoin block 960455 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010756.

Recording identifiers

ISRC
GBJ2F1010756
Title
The Merry Widow: Act II, "Die Baronin und Herr Rosillon sind im Pavillon"
Artist
Franz Lehár
CopyrightID (CopyrightChains transaction hash)
0x54be6e18821e178a707946c057d00864b5d0260b6245611c049490557bbeb9f9

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13+00:00
Bitcoin block
960455
Canonical record hash
sha256:a7f3914bc2f5ed14dcec9acceafb877a9c05548e9471fde5aa4fd7060b35219f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010756
Bitcoin block existence check
https://blockstream.info/api/block/960455

Full record

Track page: The Merry Widow: Act II, "Die Baronin und Herr Rosillon sind im Pavillon" · Machine-readable JSON-LD