The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F Minor, BWV 857

Recording identifiers

ISRC

FRZ390301050

Release date of the album this recording appears on

2025-04-29

CopyrightID (CopyrightChains transaction hash)

0xe8fd5c7e4c23d55e6d8512368d2ff06f4b6e16d247df40b8491307897ffa4f83

Copyright registration time

2026-06-28T06:38:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T16:51:38Z

Bitcoin block

956375

Canonical record hash

sha256:b1a0d98e830152e06d0a0310d9cdaa04b3dcc5fd772768f8b15b391399e3df8b

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC FRZ390301050

What this proof establishes

This recording was released in 2025. ProofProfile's artist catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and this recording entered the record through cc-db-prod's ISRC-linked registration. Its provenance rests on the dates stated above rather than on the era of that source corpus.

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.