ISRC SEWDL0746908
Verified recording
SEWDL0746908 is “Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 444: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x89342c7a1a7cfe6747dccf7de77aeddef944a7ca45ba980ea548e95c4aab8121 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/SEWDL0746908.
Recording identifiers
- ISRC
- SEWDL0746908
- Title
- Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 444: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x89342c7a1a7cfe6747dccf7de77aeddef944a7ca45ba980ea548e95c4aab8121
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1406fd91ed7629d956e3fa1a8c1b84f5ec59b3709b909d8d43c47a853652df92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0746908
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 444: II. Largo · Machine-readable JSON-LD