ISRC GBJ2F1010741
Verified recording
GBJ2F1010741 is “The Merry Widow: Act I, "Njegus, waren Sie beim Count Danilo?"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x688eba3211eb19f94d07c1f00054155490013e05cf6dd17b62b880b48849c642 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/GBJ2F1010741.
Recording identifiers
- ISRC
- GBJ2F1010741
- Title
- The Merry Widow: Act I, "Njegus, waren Sie beim Count Danilo?"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x688eba3211eb19f94d07c1f00054155490013e05cf6dd17b62b880b48849c642
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:97d65b8c61982319c641dd4c20db3dfda5e49ee8516b3cbb697326a4c668072f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010741
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: The Merry Widow: Act I, "Njegus, waren Sie beim Count Danilo?" · Machine-readable JSON-LD