He Used To

Recording by Chef Boy.

Recording identifiers

ISRC
USLD91731858
CopyrightID (CopyrightChains transaction hash)
0x730c77c3c594c50d905c604379642a4dfcbc654c6931386df5173ac6fcdcd4c7
Copyright registration time
2026-06-24T16:45:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:49718dfc486652e277f77b4ef513fa0ba9eff571396962efaaa070dcb7defda0

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.