12 Bars

Recording by Chief Keef.

Recording identifiers

ISRC
TCABR1331792
CopyrightID (CopyrightChains transaction hash)
0x49fb0348b75855a4f200618834a06d8f2c91fc4d2ecb37bfb249094d7f108b99
Copyright registration time
2026-06-07T18:14:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:74150a1b98e42cb09252556f84c56c4de7fe59a39100fe4f7d45c9d04059e91d

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.