ISRC DEF066802360
Verified recording
DEF066802360 is “Das Land des Lächelns / Act 1: Ein Lied verfolgt mich Tag und Nacht - Finale 1” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xc3cd1500b75f97d5e092ef81766ef56f6680bfecc3e6a56d36c2bc07230b29f5 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802360.
Recording identifiers
- ISRC
- DEF066802360
- Title
- Das Land des Lächelns / Act 1: Ein Lied verfolgt mich Tag und Nacht - Finale 1
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xc3cd1500b75f97d5e092ef81766ef56f6680bfecc3e6a56d36c2bc07230b29f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:4af8da27f8eba1be67f12f501e764230cfa92fb07ce6423c24027c30df3affc1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802360
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Das Land des Lächelns / Act 1: Ein Lied verfolgt mich Tag und Nacht - Finale 1 · Machine-readable JSON-LD