Four

Recording by Rich Severson.

Recording identifiers

ISRC
QZK6K2382778
CopyrightID (CopyrightChains transaction hash)
0xb20ed6de8f8a1505535ef6658e6d0af889840abef28b0950b88356745acb932f
Copyright registration time
2026-06-20T18:12:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6063acfb3aa673ed5b45ad56acb22851db406e80d7c189b29ed1a9aecb6aff9e

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.