ISRC DEF057230436
Verified recording
DEF057230436 is “Die lustige Witwe, Act III: No. 13, Tanzszene” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x887f30f368a34b9461b9d27bb5c315cb3a3770f4ccfd629846af7fa648004e48 and independently timestamped
in Bitcoin block 960288 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230436.
Recording identifiers
- ISRC
- DEF057230436
- Title
- Die lustige Witwe, Act III: No. 13, Tanzszene
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x887f30f368a34b9461b9d27bb5c315cb3a3770f4ccfd629846af7fa648004e48
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:41:38+00:00
- Bitcoin block
- 960288
- Canonical record hash
sha256:ea8f1fcd551e58af12dac7d87c4c59638581aec99e403888776100f7dc7beae7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230436
- Bitcoin block existence check
- https://blockstream.info/api/block/960288
Full record
Track page: Die lustige Witwe, Act III: No. 13, Tanzszene · Machine-readable JSON-LD