ISRC GBAYC9700799
Verified recording
GBAYC9700799 is “Vivaldi: L'estro armonico, Concerto for Two Violins in A Major, Op. 3 No. 5, RV 519: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x7211bdf14700b384c23757f5e622039da648895423c035b175f4b04ed82b3596 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9700799.
Recording identifiers
- ISRC
- GBAYC9700799
- Title
- Vivaldi: L'estro armonico, Concerto for Two Violins in A Major, Op. 3 No. 5, RV 519: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x7211bdf14700b384c23757f5e622039da648895423c035b175f4b04ed82b3596
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:872dbfb82421d472ae5b00541b3f973818f871f2c25c30915615fd161438ca7f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9700799
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Vivaldi: L'estro armonico, Concerto for Two Violins in A Major, Op. 3 No. 5, RV 519: II. Largo · Machine-readable JSON-LD