Bach: Marche Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USA561044754
CopyrightID (CopyrightChains transaction hash)
0xed8dfaa52e91e1a67708cfa3fde26994f006557416fd15afce54181be65e279e
Copyright registration time
2026-07-29T22:24:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:214451cf7273de185477aa97e3ee6af207d7900b7cc5c6b165415ba010dfc961

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.