Concerto for Violin and Strings in B flat , Op. 12/6 , RV 361: 2. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
NLA507401164
CopyrightID (CopyrightChains transaction hash)
0xc633de908cf2bfaa9cfebfb9eb4875b2861b6799431865bc4a881a6f8c2a9200
Copyright registration time
2026-07-31T08:01:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:95dd47209c4f7ab8dfb7a2c5830c154ad9fa4a84d8033da2f146f73b22a67272

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.