ISRC DEF077504330
Verified recording
DEF077504330 is “Das Land des Lächelns - Arr. Bert Grund / Act 2: Dein ist mein ganzes Herz” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xe72a35899113436e02eb2222e4507628a1cf226e8797404e0ea87a83cf0ff6fa 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/DEF077504330.
Recording identifiers
- ISRC
- DEF077504330
- Title
- Das Land des Lächelns - Arr. Bert Grund / Act 2: Dein ist mein ganzes Herz
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xe72a35899113436e02eb2222e4507628a1cf226e8797404e0ea87a83cf0ff6fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d4b8f15051477472a8908df19b1b2c84c6da1d9c6b9c1228c3c29234951ace53- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF077504330
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Das Land des Lächelns - Arr. Bert Grund / Act 2: Dein ist mein ganzes Herz · Machine-readable JSON-LD