Flute Concerto in A Minor, RV 445: II. Larghetto

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
USB8U1612689
CopyrightID (CopyrightChains transaction hash)
0x998d0093fc352c86b435a9bff073b109dbae6c80a3b2a8e8605c74eb22ab67f8
Copyright registration time
2026-06-23T09:49:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6f0b50d05c03ce94a90ed74b9f9da6fca25ff2188a0dfac2618f258cf2c92288

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.