Concerto in G Major for Flute & Strings, Op.10, No.4, RV435: 2. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
NLA506800028
CopyrightID (CopyrightChains transaction hash)
0x28464e035ac12937df2200974482abbd3a0223974cb08b5d162d74e0a91a6ce1
Copyright registration time
2026-06-22T21:30:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f05ce9a0f1ad928381e342b3dbbd209922736522ccda886a0e9216fc0ed1640b

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.