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

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
SEAEA8721020
CopyrightID (CopyrightChains transaction hash)
0x230f7657ef7f0f21e1691c03c36549b7489edca02457e15f715dfff3fa688346
Copyright registration time
2026-07-29T12:59:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:55731710dd79b1fa097a49b13ce8a06b594efa0b4262a1e745652b3a0a587384

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.