ISRC DEF057230435
Verified recording
DEF057230435 is “Die lustige Witwe, Act III: Accompanied Dialogue. Also! Wo sind die versprochenen Grisetten?” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x02921383631e88a3a30605c6218ffc7892e1a109e484b66c930d0b782edab80a and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230435.
Recording identifiers
- ISRC
- DEF057230435
- Title
- Die lustige Witwe, Act III: Accompanied Dialogue. Also! Wo sind die versprochenen Grisetten?
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x02921383631e88a3a30605c6218ffc7892e1a109e484b66c930d0b782edab80a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:e7ebc4a0453ed60b5fd795577c118f088cf3a0b64a8a11035113c49f086c877f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230435
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Die lustige Witwe, Act III: Accompanied Dialogue. Also! Wo sind die versprochenen Grisetten? · Machine-readable JSON-LD