I. Prelude

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199506713
CopyrightID (CopyrightChains transaction hash)
0xe031835dc38d91cacf00bb9d87c94bdf7e9a09824545fae165a8c02c7ac4f2d7
Copyright registration time
2026-07-29T16:21:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:367e5d865eb175ec39e23785979145a9411227df3148b50d690f1a4c61026a6b

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.