ISRC DEF059430304
Verified recording
DEF059430304 is “Die lustige Witwe / Act I: "Camille, ich muß mit Ihnen sprechen"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x5c919086a7144e73ae7aa1e4031ae4e6fd518e16ddca99d7a0f8a34d7e84f548 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430304.
Recording identifiers
- ISRC
- DEF059430304
- Title
- Die lustige Witwe / Act I: "Camille, ich muß mit Ihnen sprechen"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x5c919086a7144e73ae7aa1e4031ae4e6fd518e16ddca99d7a0f8a34d7e84f548
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:3920a05ae0340e557d8750487e9dc330cb001819cbab39a58f80f294ad8d8716- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430304
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Die lustige Witwe / Act I: "Camille, ich muß mit Ihnen sprechen" · Machine-readable JSON-LD