Kay Kay

Recording by Chief Keef.

Recording identifiers

ISRC
USUM71214716
CopyrightID (CopyrightChains transaction hash)
0xb6537164d51c683247c1057d7c6841bd01f65986aded0902c9b8e20c27bac489
Copyright registration time
2026-06-07T07:21:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a9ff5b2801f0817100b793a8ed5b284e554d8c22364c317226b9e673bb278b5e

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.