ISRC DEF058603303

Verified recording

DEF058603303 is “L'estro armonico, Concerto for 2 Violins in A Minor, RV 522, Op. 3 No. 8: III. Allegro” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0x8dc839788ce95b5e61fd6160d0ad2b1b13e42bfacad5853872a23d65a1b10e62 and independently timestamped in Bitcoin block 956302 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058603303.

Recording identifiers

ISRC
DEF058603303
Title
L'estro armonico, Concerto for 2 Violins in A Minor, RV 522, Op. 3 No. 8: III. Allegro
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0x8dc839788ce95b5e61fd6160d0ad2b1b13e42bfacad5853872a23d65a1b10e62

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:73387f0893cf203ca85cb33cec7400327ec7d580afa79c81ad05faf8cc7a747f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058603303
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: L'estro armonico, Concerto for 2 Violins in A Minor, RV 522, Op. 3 No. 8: III. Allegro · Machine-readable JSON-LD