Violin Sonata in G Major, BWV 1021: II. Vivace

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLA460910500
CopyrightID (CopyrightChains transaction hash)
0x6c03f816fecbb1b57f731874a1f4777a4fbd0f84fa7d04b79370253bd00a7530
Copyright registration time
2026-07-07T15:46:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c4819d6218b86bc12d650b489279379eea766a9e42a584ef31291b4b43306201

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.