Rhythm System

Recording by Tuff London.

Recording identifiers

ISRC
FR2X42008955
CopyrightID (CopyrightChains transaction hash)
0x4e378d56149b13f5594e2ffc0588d35d01172e2b1e217a4de7eb5175526bfb54
Copyright registration time
2026-06-20T11:58:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8b6bb04081b6a44a234c0c58dc0f6334b9c34aa3fa7e8258a22ae3022fdf8443

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.