Gamba Sonata No. 1, Movement 4, BWV 1027 - Live

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11107168
CopyrightID (CopyrightChains transaction hash)
0xb85b98d93ff61bcf6fa8a3c0e9f4557d5891f20a86cf4128eb5556dee5864727
Copyright registration time
2026-06-17T03:55:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:14dc45e8433d38266b886fc27ca603957403bbee80db36247b286756c320195a

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.