ISRC USX7N1021438

Verified recording

USX7N1021438 is “Vivaldi's Violin Sonata In A, Op. 2/2, RV 31 - 3. Adagio” by Nathan Milstein, registered on the CopyrightChains blockchain with CopyrightID 0xd8e0242506ef5fd11483d0ddb20d761f12b6057fbdac0ed191dd1b26b93075f9 and independently timestamped in Bitcoin block 960284 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX7N1021438.

Recording identifiers

ISRC
USX7N1021438
Title
Vivaldi's Violin Sonata In A, Op. 2/2, RV 31 - 3. Adagio
Artist
Nathan Milstein
CopyrightID (CopyrightChains transaction hash)
0xd8e0242506ef5fd11483d0ddb20d761f12b6057fbdac0ed191dd1b26b93075f9

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26+00:00
Bitcoin block
960284
Canonical record hash
sha256:41bffa449c404d8e70af513dd72a8b80eda372e8e1e33bf717f69ba2c23e1b96
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX7N1021438
Bitcoin block existence check
https://blockstream.info/api/block/960284

Full record

Track page: Vivaldi's Violin Sonata In A, Op. 2/2, RV 31 - 3. Adagio · Machine-readable JSON-LD