ISRC DEF057230417
Verified recording
DEF057230417 is “Die lustige Witwe, Act I: Accompanied Dialogue. Ah, gnädige Frau, ich bin glücklich” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x258bc4b9a28ed7896ebc78980061ba7c58c5c7916999f61ca9eaa4bf0b30761f 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/DEF057230417.
Recording identifiers
- ISRC
- DEF057230417
- Title
- Die lustige Witwe, Act I: Accompanied Dialogue. Ah, gnädige Frau, ich bin glücklich
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x258bc4b9a28ed7896ebc78980061ba7c58c5c7916999f61ca9eaa4bf0b30761f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0787635f707ebea109b8bf48b1a09d492e826fdad3d8cf4dca30c7ea41a54979- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230417
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die lustige Witwe, Act I: Accompanied Dialogue. Ah, gnädige Frau, ich bin glücklich · Machine-readable JSON-LD