ISRC DEF066802320
Verified recording
DEF066802320 is “Das Land des Lächelns / Act 1: Gern, gern wär' ich verliebt” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x5739d82f8e943cd00c32cea6ade1b8e0d4914e939c1ff25d1663ef6bbf33c05f and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802320.
Recording identifiers
- ISRC
- DEF066802320
- Title
- Das Land des Lächelns / Act 1: Gern, gern wär' ich verliebt
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x5739d82f8e943cd00c32cea6ade1b8e0d4914e939c1ff25d1663ef6bbf33c05f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:12711ce300e4acd6088d47b14e1867e2906c337535d019c5ccbdf9ed5571985e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802320
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Das Land des Lächelns / Act 1: Gern, gern wär' ich verliebt · Machine-readable JSON-LD