Vivaldi: L'estro armonico, Concerto for 2 Violins in A Minor, Op. 3 No. 8, RV 522: I. Allegro

Recording identifiers

ISRC

FRZ208718110

Release date of the album this recording appears on

1988-01-01

CopyrightID (CopyrightChains transaction hash)

0x220eaa9ff7d77b0ddc94e0b2ca058f3ddf4c313b9e533f027f2603b9109351ef

Copyright registration time

2026-07-30T19:41:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T20:09:33Z

Bitcoin block

960302

Canonical record hash

sha256:6fba7dd408690b66d4f76685ce5192f5a97916c5d6c4ff84179caf99e2069fbd

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC FRZ208718110

What this proof establishes

This recording was released in 1988, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.