ISRC US6R21495278
Verified recording
US6R21495278 is “Le quattro stagioni, Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x07fadcee146405b50d46e3f8fe3457373cca21efb579ccb26988196338c5aa16 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21495278.
Recording identifiers
- ISRC
- US6R21495278
- Title
- Le quattro stagioni, Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x07fadcee146405b50d46e3f8fe3457373cca21efb579ccb26988196338c5aa16
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:230bcd5ffbd0668365f0e251fa23f0b2b17b0cb3811e4490c17d7736ac4c6af8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21495278
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Le quattro stagioni, Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": II. Largo · Machine-readable JSON-LD