ISRC DEF066802350
Verified recording
DEF066802350 is “Das Land des Lächelns / Act 1: Von Apfelblüten einen Kranz” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xcc794a14f8c0865a09d9844b3ba6078288173726490a75916296b5ac26fca0d6 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/DEF066802350.
Recording identifiers
- ISRC
- DEF066802350
- Title
- Das Land des Lächelns / Act 1: Von Apfelblüten einen Kranz
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xcc794a14f8c0865a09d9844b3ba6078288173726490a75916296b5ac26fca0d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:82e07696276016040869c40cb30ed560133ab103c3a5eaed5bbfe95ca8de0584- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802350
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Das Land des Lächelns / Act 1: Von Apfelblüten einen Kranz · Machine-readable JSON-LD