ISRC DEF057230411
Verified recording
DEF057230411 is “Die lustige Witwe, Act III: No. 14, Chanson "Grisetten-Lied". Ja, wir sind es die Grisetten” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xfa74b1c0e5318f0998ac3a49f0a1ec1c85b4bc5f1cccbd816ec9e467705be423 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/DEF057230411.
Recording identifiers
- ISRC
- DEF057230411
- Title
- Die lustige Witwe, Act III: No. 14, Chanson "Grisetten-Lied". Ja, wir sind es die Grisetten
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xfa74b1c0e5318f0998ac3a49f0a1ec1c85b4bc5f1cccbd816ec9e467705be423
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7f33789b334a6d1d556d7638b238d3776e5175a991349e7510b5b343bb6f9f27- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230411
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe, Act III: No. 14, Chanson "Grisetten-Lied". Ja, wir sind es die Grisetten · Machine-readable JSON-LD