ISRC DEF059430311
Verified recording
DEF059430311 is “Die lustige Witwe / Act I: "Ich bitte Sie.." - "Ja, was?" - Ein trautes Zimmerlein” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xbd632eeb34ae3d41512d26c64cc0e0874a7c61bb2dd2f27c8761aa9c7cc73a31 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430311.
Recording identifiers
- ISRC
- DEF059430311
- Title
- Die lustige Witwe / Act I: "Ich bitte Sie.." - "Ja, was?" - Ein trautes Zimmerlein
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xbd632eeb34ae3d41512d26c64cc0e0874a7c61bb2dd2f27c8761aa9c7cc73a31
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:94e0c62941ff5b6fd92ea6df9138437484fcb33c77e554ad7991cfe89a11d68f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430311
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Die lustige Witwe / Act I: "Ich bitte Sie.." - "Ja, was?" - Ein trautes Zimmerlein · Machine-readable JSON-LD