Sonata No.2 in E flat major, BWV 1031: 1. Allegro moderato

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLA506700161
CopyrightID (CopyrightChains transaction hash)
0x710e8e1dc4022d3fe12a73fe191064e908e708b80dbcd022e1ddfc7947f19ab4
Copyright registration time
2026-07-31T01:56:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:730465700866d2e7527ef27fcb63c5083e9889ba2967031485fd82e48f4c8455

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.