ISRC HKI199506411
Verified recording
HKI199506411 is “Concerto for 2 Trumpets in C Major, RV 537: I. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x8264960406b2cb9b57fe3efa2ec2c8911ec2c247f1c78d96ace9ae26b7ddcaff 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/HKI199506411.
Recording identifiers
- ISRC
- HKI199506411
- Title
- Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x8264960406b2cb9b57fe3efa2ec2c8911ec2c247f1c78d96ace9ae26b7ddcaff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:be85fce45d5ea5abd8e5fb05a6bdccd4c9b55c4c9d218605de39a33d658ecc30- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199506411
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for 2 Trumpets in C Major, RV 537: I. Allegro · Machine-readable JSON-LD