ISRC DEF058603273

Verified recording

DEF058603273 is “L'estro armonico, Concerto for 2 Violins in G Minor, RV 578, Op. 3 No. 2: III. Larghetto” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0x1396cc7289cdc8e3396f54d25888f00d9e8d737747815872b72ce099d2e3ed8e 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/DEF058603273.

Recording identifiers

ISRC
DEF058603273
Title
L'estro armonico, Concerto for 2 Violins in G Minor, RV 578, Op. 3 No. 2: III. Larghetto
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0x1396cc7289cdc8e3396f54d25888f00d9e8d737747815872b72ce099d2e3ed8e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:4f554365ab046a4ff010d918f258eb16b79d58d5fdae893761de6d7bc92479d9
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058603273
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: L'estro armonico, Concerto for 2 Violins in G Minor, RV 578, Op. 3 No. 2: III. Larghetto · Machine-readable JSON-LD