Prelude

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
QM7MD1451231
CopyrightID (CopyrightChains transaction hash)
0xbe0a388172be9bcc892d110436f6b06a736a68ab007787bb0dda9e3b7f716af2
Copyright registration time
2026-07-07T05:05:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:4a1d35bd79a82c2f7b28f5e9cc650ba6b01e9ad45e287a04e2615e93b03c474c

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.