m.A.A.d city

Recording by Kendrick Lamar.

Recording identifiers

ISRC
USUM71210784
CopyrightID (CopyrightChains transaction hash)
0x44b9e17d3f3d7f649f1f2213a757907b09995e728fed6696c5d9726582a8b325
Copyright registration time
2026-06-01T07:22:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3ca3e37979a05a02a839895f5e1644e5b6f1d1472e21ce485df1ba1dbeffc093

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.