Sonata No. 2 in E-Flat Major, BWV 1031: II. Siciliana

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USBC19300406
CopyrightID (CopyrightChains transaction hash)
0xf4e321592eb41b61e4da935dc6169c668b21595ec8028359836c19a3ec750092
Copyright registration time
2026-06-07T00:24:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7052e670d39d49511c0b1ada6589f04e3eee7bfde7dbe3eb7eb6886be24e8b74

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.