J.S.バッハ:平均律クラヴィーア曲集より 第2巻第1曲BWV870より 前奏曲

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
JPES00801930
CopyrightID (CopyrightChains transaction hash)
0xa8554eb8f211e2524860873e8476e012b39b25798b672188fe2132d9ed528565
Copyright registration time
2026-06-24T11:10:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b82a2a23e3d79fc818372e5ae60c0281e8f21d3cd531a16a78c028ea1ba51ebb

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.