ISRC DEF057230431
Verified recording
DEF057230431 is “Die lustige Witwe, Act II: No. 12, Finale: b. Wie eine Rosenknospe (Reprise)” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x9a91c14f842e411fa17d9c50daaec1ae9fea5e8bb6364cc1090bc281a6c3c14a and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230431.
Recording identifiers
- ISRC
- DEF057230431
- Title
- Die lustige Witwe, Act II: No. 12, Finale: b. Wie eine Rosenknospe (Reprise)
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x9a91c14f842e411fa17d9c50daaec1ae9fea5e8bb6364cc1090bc281a6c3c14a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:65f499db1acd80d7a192aa7d0d417b196f8cf3b69f25559f707ae5f50a9f16e5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230431
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Die lustige Witwe, Act II: No. 12, Finale: b. Wie eine Rosenknospe (Reprise) · Machine-readable JSON-LD