Based On True Events

Recording by Nas.

Recording identifiers

ISRC
QMFME2307589
CopyrightID (CopyrightChains transaction hash)
0x412661fe6ba38bc6e5b4270ebb04364a17c8464909b607d2f170301239ea4589
Copyright registration time
2026-06-06T07:21:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:1af32f8d46f820f7c62893534c2a10d12fc67348609cad3ac109687d22fbe052

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.