Guard Down

Recording by Valve.

Recording identifiers

ISRC
QM5WW1500774
CopyrightID (CopyrightChains transaction hash)
0x8c31f71e739c4c2bc3b6db6f72497ed9a073ef8fbcbf511e0bf810f3a8f5842c
Copyright registration time
2026-06-10T13:47:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:675d28dde0a5883bbc63fbae934f025ac51e16c35f74e7eaabfbd118b12885c9

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.