平均律クラヴィーア曲集 第2巻 第17番 変イ長調 BWV 886 Prerude No.17

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
JPG201417259
CopyrightID (CopyrightChains transaction hash)
0xdfde946daed8d93391b83b1f8a0d625f9b913525efd435fe39b23f98de31022e
Copyright registration time
2026-07-07T17:34:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cf8e0f9ec20b68d538813b65447759760571f30fbbbf673cb9321d9ca5ac0386

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.