Thirty Seven After Six

Recording by Valve.

Recording identifiers

ISRC
QM5WW1500809
CopyrightID (CopyrightChains transaction hash)
0x89738fc40aadaf4c235cf3780342dc96f4c9e45100c84babe49000edbe84fa8f
Copyright registration time
2026-06-11T00:25:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fc721615445c4172d89f3eca8c431c2507489878c12ca0d313efa2c8121bce5d

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.