ISRC CH4212400031
Verified recording
CH4212400031 is “Violin Concerto No. 1 in E Major "Spring", RV 269: II. Largo e pianissimo (with Sonnet)” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x691f3ab8a686311714747fc2c65704e723d4b3bbd8caa2b673cc460ddc28dee6 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212400031.
Recording identifiers
- ISRC
- CH4212400031
- Title
- Violin Concerto No. 1 in E Major "Spring", RV 269: II. Largo e pianissimo (with Sonnet)
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x691f3ab8a686311714747fc2c65704e723d4b3bbd8caa2b673cc460ddc28dee6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:9e4f015b89c636fa1e3ab9fb6202ad1b181b25044f4f1ebb7854ddd4c4b92993- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212400031
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Violin Concerto No. 1 in E Major "Spring", RV 269: II. Largo e pianissimo (with Sonnet) · Machine-readable JSON-LD