ISRC DEF055902302
Verified recording
DEF055902302 is “Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xb931495c006241f47e62f57d8874602da4723944ffd4f10d56f6bc064a769d41 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055902302.
Recording identifiers
- ISRC
- DEF055902302
- Title
- Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xb931495c006241f47e62f57d8874602da4723944ffd4f10d56f6bc064a769d41
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:6bffa015c4fd78c739eb5926462a1221b0dfa5f3a4ed2b30f863a23b4063a861- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055902302
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": II. Largo · Machine-readable JSON-LD