Concerto for 2 Violins in D Major, RV 511: II. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
DEN960701832
CopyrightID (CopyrightChains transaction hash)
0x33655ed1078a052891e02fe5e68ae5b7fb172876f394a6790f26e8086cc78fa5
Copyright registration time
2026-06-27T07:21:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:e186c16f11e43aacc0c1c31f89735e03641ad70bf039cc6fa009d91ae45a58df

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.