プレリュードニ長調/BWV937

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
JPE641200090
CopyrightID (CopyrightChains transaction hash)
0x0389f9c1950500eaf6b11f89727801a663ea0559056d6bdbb53e284f005c5d72
Copyright registration time
2026-07-06T18:18:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:b6f5f635c8357a3955abe709690ba405822f1433b8be65b1d940bf7e988d4069

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.