I. Preludio

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI190782210
CopyrightID (CopyrightChains transaction hash)
0x5da87b5c0a72a3a1cd76a966fe8e892e187914a90019c5ba443c237dbf236e6a

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:9636e9c7c1ea4fd65f32c8e22c6ed7fce0ec075ff8f61cf4a5934b24d5c72301

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.