ISRC DEF057209052
Verified recording
DEF057209052 is “Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x220b5eeeacc65c7d013238ad77f02b56774590d38d6ae04a2f5fb333fe54dced and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209052.
Recording identifiers
- ISRC
- DEF057209052
- Title
- Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x220b5eeeacc65c7d013238ad77f02b56774590d38d6ae04a2f5fb333fe54dced
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:33e7a97966d6c0d2e98dcc7cb2439598a162bd4f07b893bc6137449bfa906d1a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209052
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio · Machine-readable JSON-LD