Flautino Concerto In C, RV 443: 2. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
NLA507911202
CopyrightID (CopyrightChains transaction hash)
0x245c103ca3043d2c13c259e746926fb021c8abf0bf7e37b050aebf31b000c515
Copyright registration time
2026-07-03T02:33:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:60df1989cb96c22c1b342bccb82ce9d3f706cc2c819fed69df662e4e90fe733f

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.