Präludium XII

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEA891700375
CopyrightID (CopyrightChains transaction hash)
0x3dd68c1fd20fc44880b4db5761acae1a12d62c80648cd54ae5cb95beb9e0c4db
Copyright registration time
2026-07-30T16:52:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:a41bb22e9ca7820e2cd6e1e1776c00b44c13f03b5d8b1c4bca22a6abb12c0422

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.