Präludium VII

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEA891700377
CopyrightID (CopyrightChains transaction hash)
0x616132607a138203b5d4ca3c26ebc846a55a8f3527764dedf85b083922d17b70
Copyright registration time
2026-07-07T04:49:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:638056920ea624bfe8c6db6fbfd06a06f36387cce87f7b34cff234db0be68b4c

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.