Office

Recording by Chief Keef.

Recording identifiers

ISRC
USZEG1800102
CopyrightID (CopyrightChains transaction hash)
0x6faf4bb3ab491fbc37dab6f4dd101634577275f8af2c330e850c0d361f481c57
Copyright registration time
2026-06-18T10:21:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0ab6854a3b874693852eb058f214da971c36e04453537fea1eafdc0f5392cf51

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.