ISRC GBJ2F1010751
Verified recording
GBJ2F1010751 is “The Merry Widow: Act II, "Wie die Weiber?"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xbf2a0634ee2581acf8cc7f56fb409e53c2b0c7c9e6249e382472a9cb81803da8 and independently timestamped
in Bitcoin block 960379 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010751.
Recording identifiers
- ISRC
- GBJ2F1010751
- Title
- The Merry Widow: Act II, "Wie die Weiber?"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xbf2a0634ee2581acf8cc7f56fb409e53c2b0c7c9e6249e382472a9cb81803da8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:25:34+00:00
- Bitcoin block
- 960379
- Canonical record hash
sha256:1c9f1c310bd0a75dcfc05083642832464f1ae3b6c7b3ce6fbe253913d4b6f7a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010751
- Bitcoin block existence check
- https://blockstream.info/api/block/960379
Full record
Track page: The Merry Widow: Act II, "Wie die Weiber?" · Machine-readable JSON-LD