Fast

Recording by Chief Keef.

Recording identifiers

ISRC
QMRSZ1900295
CopyrightID (CopyrightChains transaction hash)
0xd75d094d098a5f7e97944ad6ea7bc53a3529b36c80fa49c3339647e15f16fc83
Copyright registration time
2026-06-07T13:17:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:e09ebd35264fac0f32dff863991c2230647fedca1a927b50b9ea425ccf2f8f52

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.