Violin Concerto in B-Flat Major, RV 365: II. Largo

Recording identifiers

ISRC

FRZ132105050

CopyrightID (CopyrightChains transaction hash)

0x9a6e4784227de89aae69b8241ea1af1594c1d8a418e18a077f2fe7780e26175d

Copyright registration time

2026-07-07T15:40:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:229982ba3eadc9b63b6f395f120881e17d10f1d39e9d2aeec014c1a9cb675aa8

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
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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.