Concerto for Strings and Basso Continuo in C Minor, RV 197: II. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
NLY331003477
CopyrightID (CopyrightChains transaction hash)
0x218975c7957f33a877c0fa7efd63df57e30249caf3b482431313dbe6a68348e3
Copyright registration time
2026-07-07T13:35:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:05f966480d76625b4bf2b18b44f9a03403277de7f9f901460244e8c066ae43e2

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.