Guardian to Colossus

Recording by Michel Colombier.

Recording identifiers

ISRC
USQ4E1703357
CopyrightID (CopyrightChains transaction hash)
0x820cb926e1541be1d36d974818ab376731e2fa4bf1968fc0ad1ec215c21e8582
Copyright registration time
2026-07-06T20:13:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3641afeda54c4ab001f473987c3a2068edff07cc4273f096cc02057cefabd104

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.