Concerto for Strings and Continuo in B flat, R.166: 2. Adagio

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
DEF059304512
CopyrightID (CopyrightChains transaction hash)
0xc1bc1f3b3b6fa3c02a21cdf161850a49bc097aed8da82f5591232cc9f06f1a5d
Copyright registration time
2026-06-18T10:16:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1f89c4b0d0639acde619826348734143cb92d8f929659f6d7b874a623d2078ba

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.