ISRC DEF059430323
Verified recording
DEF059430323 is “Die lustige Witwe / Act III: "Graf Dailowitsch.." - "Ja, wir sind es, die Grisetten"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x581f112a539974274911a80f2c963099978fc1695f00ac838804be320f48a83b 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/DEF059430323.
Recording identifiers
- ISRC
- DEF059430323
- Title
- Die lustige Witwe / Act III: "Graf Dailowitsch.." - "Ja, wir sind es, die Grisetten"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x581f112a539974274911a80f2c963099978fc1695f00ac838804be320f48a83b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ddb0025695798a43b9eb6767c9e816602511473abb97a8a4ecb172bfbf8ff010- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430323
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe / Act III: "Graf Dailowitsch.." - "Ja, wir sind es, die Grisetten" · Machine-readable JSON-LD