ISRC DEF057230402
Verified recording
DEF057230402 is “Die lustige Witwe, Act I: No. 2, So kommen Sie! – Ich bin eine anständ'ge Frau” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xcb694c429245f5a2794168f2dd6ec035d904fbab5e671b205b67b09421be0f68 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230402.
Recording identifiers
- ISRC
- DEF057230402
- Title
- Die lustige Witwe, Act I: No. 2, So kommen Sie! – Ich bin eine anständ'ge Frau
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xcb694c429245f5a2794168f2dd6ec035d904fbab5e671b205b67b09421be0f68
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:650a4e391b9b7c8429246ef87d6c4c6cf465fbdcb22a0c64928b4559309c35fa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230402
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Die lustige Witwe, Act I: No. 2, So kommen Sie! – Ich bin eine anständ'ge Frau · Machine-readable JSON-LD