ISRC DEF057200481

Verified recording

DEF057200481 is “The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0xd65ad1c1864c49d0044d3f9bed511e4246e7d8036c413e3f7aab5052b40248c3 and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200481.

Recording identifiers

ISRC
DEF057200481
Title
The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0xd65ad1c1864c49d0044d3f9bed511e4246e7d8036c413e3f7aab5052b40248c3

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:de00e4abf4f520606cb19766f6fd2b9c2f4cbf012280a7b526c105fd129ccb13
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200481
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo · Machine-readable JSON-LD