I. Ouverture

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199911315
CopyrightID (CopyrightChains transaction hash)
0x80b28d9cf94aaa6cdcf246399346e5cf499474bb0f2691c604125b2c199081cb
Copyright registration time
2026-07-04T10:44:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:315929f21fef48e4a035e5f43b5c0135e85ee31d4174f5d395208dc7e87d0571

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.