Middle Ring

Recording by 絕對純潔(Absolute Purity).

Recording identifiers

ISRC
CNZ512100164
CopyrightID (CopyrightChains transaction hash)
0xa1507ab6d18c2607cb4bb4b91686bab33518bdf8149216c7310e607ebd3f390a
Copyright registration time
2026-07-07T11:26:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:7be421cd748c0915f3bcf0b5f0e5f29c83ed4fcc7c0e6fa7533c3a1adf822b93

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.