Double Concerto for 2 Violins, Strings & Continuo in D Minor, BWV 1043: 1. Vivace

Recording identifiers

ISRC

NLA506500574

CopyrightID (CopyrightChains transaction hash)

0xb5d8a8bbf0618ecf3a3343416fa1c9d9870300e9924eacc2e53aef220e62da08

Copyright registration time

2026-07-08T01:01:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:98320e89a88202e886d806fba0c5f08e1802dbad3b7fe1e8c5996d748057d74f

• Verify the CopyrightID on CopyrightChains
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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.