Sonata in A Minor, BWV 1020: I. Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLY332000001
CopyrightID (CopyrightChains transaction hash)
0xe4f992192f70d20fd8335165b27664c7356f28c0961c1a1473f55c2754fed384
Copyright registration time
2026-06-08T04:16:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a03dfea63b6aae3d02899f57ca898c23916c1fbd673c546bd732650afdb5d77a

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.