ISRC DEF066802450
Verified recording
DEF066802450 is “Das Land des Lächelns / Act 3: Finale 3 - Liebes Schwesterlein, sollst nicht traurig sein” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x7b9d57dfe43cc2fbe3bca949dca1c053b529783ae15691eb2c5f3ef2e02cf6e8 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802450.
Recording identifiers
- ISRC
- DEF066802450
- Title
- Das Land des Lächelns / Act 3: Finale 3 - Liebes Schwesterlein, sollst nicht traurig sein
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x7b9d57dfe43cc2fbe3bca949dca1c053b529783ae15691eb2c5f3ef2e02cf6e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:caf5bebc8887cdaa9106b97a81f26d2984a2d16b3d8123f761fc8c5b43736e98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066802450
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Das Land des Lächelns / Act 3: Finale 3 - Liebes Schwesterlein, sollst nicht traurig sein · Machine-readable JSON-LD