ISRC CAJ721876022
Verified recording
CAJ721876022 is “Concerto pour flûte à bec sopranino, cordes et basse continue en do majeur, RV 444: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x3e644b1d60753cba9cd625f2464f2b715f5ad93193f0ca9c277776451200b9b5 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721876022.
Recording identifiers
- ISRC
- CAJ721876022
- Title
- Concerto pour flûte à bec sopranino, cordes et basse continue en do majeur, RV 444: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x3e644b1d60753cba9cd625f2464f2b715f5ad93193f0ca9c277776451200b9b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:a3efc28b550c4152c549ed05166790921631b576f420813ce7d37f6707f6ca11- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721876022
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Concerto pour flûte à bec sopranino, cordes et basse continue en do majeur, RV 444: II. Largo · Machine-readable JSON-LD