ISRC DEF057230426
Verified recording
DEF057230426 is “Die lustige Witwe, Act II: No. 10a, Spielszene und Tanzduett” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x61df83ef0392af40edaa2cdc4fc2dcf94971c3de6dcb86c61ee14415dcd72dda and independently timestamped
in Bitcoin block 960268 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230426.
Recording identifiers
- ISRC
- DEF057230426
- Title
- Die lustige Witwe, Act II: No. 10a, Spielszene und Tanzduett
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x61df83ef0392af40edaa2cdc4fc2dcf94971c3de6dcb86c61ee14415dcd72dda
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:53:07+00:00
- Bitcoin block
- 960268
- Canonical record hash
sha256:814138a0c5136ff64b93faa72fbde4659f310c16bf1f6e232508cd5334d99d6f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230426
- Bitcoin block existence check
- https://blockstream.info/api/block/960268
Full record
Track page: Die lustige Witwe, Act II: No. 10a, Spielszene und Tanzduett · Machine-readable JSON-LD