ISRC DEF057230423
Verified recording
DEF057230423 is “Die lustige Witwe, Act II: Dialogue. Gospodina, dieses vaterländische Fest” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x48b1dd07a269b0e4660a2557439bd6af1e502026c073a3bd3f6dcbd03df5c1d6 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/DEF057230423.
Recording identifiers
- ISRC
- DEF057230423
- Title
- Die lustige Witwe, Act II: Dialogue. Gospodina, dieses vaterländische Fest
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x48b1dd07a269b0e4660a2557439bd6af1e502026c073a3bd3f6dcbd03df5c1d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8cadd2f4dd724f48f3ad9d08e8b7be64ecabd8e1bacb060bec91ea04a6110cf1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230423
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe, Act II: Dialogue. Gospodina, dieses vaterländische Fest · Machine-readable JSON-LD