Check It Out

Recording by Chief Keef.

Recording identifiers

ISRC
QMRSZ1900767
CopyrightID (CopyrightChains transaction hash)
0xda5de257e0ca518d040c0c30a573104d8667536c6468fb3362f156cc70771a74
Copyright registration time
2026-06-07T20:00:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a9803fddbb5443c0bf36626f4f2f05157184fdfa723e4d48f441fb735ec309f1

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.