ISRC DEF066802330
Verified recording
DEF066802330 is “Das Land des Lächelns / Act 1: Freunderl, mach' dir nix d'raus” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xdbe867a032c4a2b0ada59e9aa8634872e7c9c6454b0c16cb74370ba8f0bce09c and independently timestamped
in Bitcoin block 960167 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802330.
Recording identifiers
- ISRC
- DEF066802330
- Title
- Das Land des Lächelns / Act 1: Freunderl, mach' dir nix d'raus
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xdbe867a032c4a2b0ada59e9aa8634872e7c9c6454b0c16cb74370ba8f0bce09c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:42:34+00:00
- Bitcoin block
- 960167
- Canonical record hash
sha256:b8ccc07295efed97a7e32a4d28846d0f77cf7f9970aa44d4b9faae54bbfbe0a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802330
- Bitcoin block existence check
- https://blockstream.info/api/block/960167
Full record
Track page: Das Land des Lächelns / Act 1: Freunderl, mach' dir nix d'raus · Machine-readable JSON-LD