Concerto for Flute and Strings in D Minor, RV 431: II. Larghetto

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
FRZ131127012
CopyrightID (CopyrightChains transaction hash)
0x86d8478eb3b4dcc02a061b43c8a2eaa52a9ac6cd31ce51c537b271c0b9fb76a9
Copyright registration time
2026-07-31T05:22:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:18Z
Bitcoin block
960354
Canonical record hash
sha256:d6af1d3b7fc44779509d4edc8dd9232e9fc849ab5be66eb2a8fd9ef86990161c

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.