ISRC DEF066802400
Verified recording
DEF066802400 is “Das Land des Lächelns / Act 2: Wer hat die Liebe uns ins Herz gesenkt” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xe83acd037f98070dad9728265ba66e523031db4ea94cde2c05e037526c60bc53 and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802400.
Recording identifiers
- ISRC
- DEF066802400
- Title
- Das Land des Lächelns / Act 2: Wer hat die Liebe uns ins Herz gesenkt
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xe83acd037f98070dad9728265ba66e523031db4ea94cde2c05e037526c60bc53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:e3ab71bdae43302d554281e9836a834d54be25d918ba0bcb330b5ac2d6b76d6b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802400
- Bitcoin block existence check
- https://blockstream.info/api/block/960164
Full record
Track page: Das Land des Lächelns / Act 2: Wer hat die Liebe uns ins Herz gesenkt · Machine-readable JSON-LD