ISRC GBJ2F1010758
Verified recording
GBJ2F1010758 is “The Merry Widow: Act II, "Nun wissen Sie, meine Herrschaften"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xe94282476b999c934b052fc653a6080646d8f3db5175fe826d7a8509fd57b7cb 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/GBJ2F1010758.
Recording identifiers
- ISRC
- GBJ2F1010758
- Title
- The Merry Widow: Act II, "Nun wissen Sie, meine Herrschaften"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xe94282476b999c934b052fc653a6080646d8f3db5175fe826d7a8509fd57b7cb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7917e2bbbf98994d5a0db45f927c2a1ec02cccb1f5559de86121c612ea791260- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010758
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Merry Widow: Act II, "Nun wissen Sie, meine Herrschaften" · Machine-readable JSON-LD