ISRC DEF057601590
Verified recording
DEF057601590 is “Das Land des Lächelns / Act 2: Dein ist mein ganzes Herz!” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x9cb4d41b0f98981aa1a6c14ad3f1b93996bf97278f8053d94f97b1f2c26871de and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601590.
Recording identifiers
- ISRC
- DEF057601590
- Title
- Das Land des Lächelns / Act 2: Dein ist mein ganzes Herz!
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x9cb4d41b0f98981aa1a6c14ad3f1b93996bf97278f8053d94f97b1f2c26871de
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:8c80bae7e52e71493e6adcf623eb5a66017913a0a73cf1891324c60b97fd89bb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601590
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Das Land des Lächelns / Act 2: Dein ist mein ganzes Herz! · Machine-readable JSON-LD