平均律クラヴィーア曲集 第2巻 第12番 ヘ短調 BWV 881 Prerude No.12

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
JPG201417249
CopyrightID (CopyrightChains transaction hash)
0x3e3bedeba8b46fcf1757bd9e8cdf9d34dead01d754cfb4f028d7ef9be3ea46b9
Copyright registration time
2026-07-31T21:05:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:50b9f9ca3e3f1c1b374484727d7c9e1a9593140a7e50a79420e8200978943b7e

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.