I. Adagio - Sonata No. 3 In A Minor

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USAR20001396
CopyrightID (CopyrightChains transaction hash)
0x45c444c12862ef6bb47b4f119ca82f7ec8980e2ff05ff59ead6f277b8939b755
Copyright registration time
2026-08-01T00:54:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:bbc5047afbdaf6e5fae9bded9d942371a7487fdf48392a2eba356e6ae2bdc827

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.