ISRC DEF059430306
Verified recording
DEF059430306 is “Die lustige Witwe / Act I: "Nun, Njegus, haben Sie meine Botschaft überbracht?"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x4350b0dc62858a494b29b8267328b7d6f65d244ac5ebe6585f3bbc3cff33ab38 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/DEF059430306.
Recording identifiers
- ISRC
- DEF059430306
- Title
- Die lustige Witwe / Act I: "Nun, Njegus, haben Sie meine Botschaft überbracht?"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x4350b0dc62858a494b29b8267328b7d6f65d244ac5ebe6585f3bbc3cff33ab38
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:920fc98e1f7d7e0f9092d51762483245ca409ab12c7685d0f016534f7c73bc20- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430306
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe / Act I: "Nun, Njegus, haben Sie meine Botschaft überbracht?" · Machine-readable JSON-LD