Violin Concerto No. 1 in E Major, RV 269 "Spring": II. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
USSM12305336
CopyrightID (CopyrightChains transaction hash)
0x973c942c1fcb4f81b80c2d9be48f7c839ba049c4a7e3307091eb9d9b357bf9a9
Copyright registration time
2026-06-20T08:06:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2ae4ea77efa1932affd78606d8ad92f9752d8b1bb5a4d2cb3a57b82bb77b79a9

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.