Ciaccona from Partita BWV 1004

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLY332200546
CopyrightID (CopyrightChains transaction hash)
0x9365042cb964c5f5ca43f2620462af0d41caac842a3113dca7bb93b71272e2e3
Copyright registration time
2026-06-26T21:18:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c5ba3b25d703180d96a4dd20e091c8ee5cf138d4a3640ff56f8aa7bfc206772d

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.