I. Prélude

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI192419001
CopyrightID (CopyrightChains transaction hash)
0xbb949ce66dc7b882889fbc4da2486c8c3af38fd2d39787647984a4f05d063449

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:09:33Z
Bitcoin block
960302
Canonical record hash
sha256:1b7eccb809508f49c31c1a8135d4e1f66c2a9ea98a622349e0aac041e292594e

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.