ISRC USRDG0410117
Verified recording
USRDG0410117 is “The Four Seasons: Violin Concerto No. 1 in E Major, "Spring": II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x14228947d42b17a557b2cd21df6ffc37b0e361439d9befdbe42a7cc68cf2aec2 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0410117.
Recording identifiers
- ISRC
- USRDG0410117
- Title
- The Four Seasons: Violin Concerto No. 1 in E Major, "Spring": II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x14228947d42b17a557b2cd21df6ffc37b0e361439d9befdbe42a7cc68cf2aec2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:fa9faf60814211cc30bbf5869b818b15282c4cd6bcce2deb6410415178f01abf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0410117
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: The Four Seasons: Violin Concerto No. 1 in E Major, "Spring": II. Largo · Machine-readable JSON-LD