Recorder Concerto in C Major, RV 443: II. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
SEAEG9135110
CopyrightID (CopyrightChains transaction hash)
0xbf0f3f5c920c89ec9455b3a7a10b32251b747ad8fd8c0ddbbd7c435fe5ab61eb
Copyright registration time
2026-07-31T06:14:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:d2a7851f4754630dfd2d7195a5bfdf1ce170212af2e9fd3d75c46097ae4ec071

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.