ISRC USBC18700115
Verified recording
USBC18700115 is “The Four Seasons, Op. 8: Violin Concerto in E Major, RV 269 "Spring": II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x3b9df43570c80431eb641bdd7c32bb4df4abe32c27c411bcc30773f5b7fd0bcf and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18700115.
Recording identifiers
- ISRC
- USBC18700115
- Title
- The Four Seasons, Op. 8: Violin Concerto in E Major, RV 269 "Spring": II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x3b9df43570c80431eb641bdd7c32bb4df4abe32c27c411bcc30773f5b7fd0bcf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:992102f82dca9649b9a50f7438ab13955f0ed388d252a588f1357e8c3a1858f8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18700115
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: The Four Seasons, Op. 8: Violin Concerto in E Major, RV 269 "Spring": II. Largo · Machine-readable JSON-LD