ISRC ES71G2150766
Verified recording
ES71G2150766 is “Sonetto Proemio Dell’Opera. Il Primo Libro de Madrigali a Due, Tre e Cinque Voci Op. 1” by Barbara Strozzi,
registered on the CopyrightChains blockchain with CopyrightID
0x07ff22bfc72b9384fef2ad628cbc3cf43ed002e2572093bc1db7fe631d0cee8f and independently timestamped
in Bitcoin block 960198 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2150766.
Recording identifiers
- ISRC
- ES71G2150766
- Title
- Sonetto Proemio Dell’Opera. Il Primo Libro de Madrigali a Due, Tre e Cinque Voci Op. 1
- Artist
- Barbara Strozzi
- CopyrightID (CopyrightChains transaction hash)
0x07ff22bfc72b9384fef2ad628cbc3cf43ed002e2572093bc1db7fe631d0cee8f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:21:55+00:00
- Bitcoin block
- 960198
- Canonical record hash
sha256:a8f84e657376b08a5144b41af1af02aa8256db9872739b3483c131dd4458195c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2150766
- Bitcoin block existence check
- https://blockstream.info/api/block/960198
Full record
Track page: Sonetto Proemio Dell’Opera. Il Primo Libro de Madrigali a Due, Tre e Cinque Voci Op. 1 · Machine-readable JSON-LD