ISRC DEF066802340
Verified recording
DEF066802340 is “Das Land des Lächelns / Act 1: Bei einem Tee à deux” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x970503fcc5daba4eea97d0f665be66f95148e451e4e176d4994268b4178bb38a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802340.
Recording identifiers
- ISRC
- DEF066802340
- Title
- Das Land des Lächelns / Act 1: Bei einem Tee à deux
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x970503fcc5daba4eea97d0f665be66f95148e451e4e176d4994268b4178bb38a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2499d4c747f542b8a8958c2175634f6abd731460d39d9928113179accdabe243- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802340
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Das Land des Lächelns / Act 1: Bei einem Tee à deux · Machine-readable JSON-LD