Movement 1: Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199911101
CopyrightID (CopyrightChains transaction hash)
0x1e2263f29292b717243827ce1a97393ac05a74a6eb2a16e8097915b7b6537b6b
Copyright registration time
2026-07-30T19:21:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:42:40Z
Bitcoin block
960300
Canonical record hash
sha256:2cdc696b21e6a681b23809255e59e7e7f4baeb62d9faab4a6b304d8e265c2f3f

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.