Hazardous Environments

Recording by Valve.

Recording identifiers

ISRC
QM5WW1500729
CopyrightID (CopyrightChains transaction hash)
0x2f8368aab5c82ce10adbe5ccf54c49e17c62a7cd3ec9d35218369d22f5654ce2
Copyright registration time
2026-06-06T08:12:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:220a4d01c0fa66ea69a3c4b2305538f0cb9dd9ad2f9f25bdf35bcd50464864bf

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.