ISRC DEF056100742
Verified recording
DEF056100742 is “Concerto for 2 Violins in A Minor, RV 522, Op. 3 No. 8: II. Larghetto e spiritoso” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x9e00601be7dd124be0247a3ee0ddf2262688fec9778b38aedb6c8dc279a641a3 and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056100742.
Recording identifiers
- ISRC
- DEF056100742
- Title
- Concerto for 2 Violins in A Minor, RV 522, Op. 3 No. 8: II. Larghetto e spiritoso
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x9e00601be7dd124be0247a3ee0ddf2262688fec9778b38aedb6c8dc279a641a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:2d615cc1b2143db8ca22d396bd23ed5c36bfcf73bb25542465aa73675e13ae1d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056100742
- Bitcoin block existence check
- https://blockstream.info/api/block/957050
Full record
Track page: Concerto for 2 Violins in A Minor, RV 522, Op. 3 No. 8: II. Larghetto e spiritoso · Machine-readable JSON-LD