Concerto for Violin and Strings in E flat , Op. 6/2 , RV 259: 2. Largo

Recording by Antonio Vivaldi.

Recording identifiers

ISRC
NLA507536223
CopyrightID (CopyrightChains transaction hash)
0xba3953bb42fd3f19f7f62ce31d53426d5fa87ff6b697f12b0518989c2c605ff0
Copyright registration time
2026-07-07T05:37:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cb42c5b17cad8d8e71ae361ca2702a42a136b214c9a8596e77d26cd4200d9bd5

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.