Concerto in D Minor, RV 535: II. Allegro

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
CA68Z1300124
CopyrightID (CopyrightChains transaction hash)
0x660f34b4a62c6139af27601a239baf3c84ca780d7cd6f7acd061c51f19bfe532
Copyright registration time
2026-07-07T04:20:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:816a3289809ba25649a36a505d4c851be1a04960758ba277a54a8945da1420d1

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.