平均律クラヴィーア曲集 第2巻 第4番 嬰ハ短調 BWV 873 Fugue No.4

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
JPG201417234
CopyrightID (CopyrightChains transaction hash)
0x3c6d6748bcebd8a55ae65808d4306406254d3576289118b76af8279f9eae3ebf
Copyright registration time
2026-07-07T13:44:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ae0402b8b9d97650b96b290f3081f3672d47c9f239fd0fdf84bdfdacb3576460

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.