Based On True Events, Pt. 2

Recording by Nas.

Recording identifiers

ISRC
QMFME2307590
CopyrightID (CopyrightChains transaction hash)
0x54be85877fdb731788376ec8b3d5043292b3b78e96184a9cebda3a9337607df5
Copyright registration time
2026-06-06T07:21:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:3d00da919201afaf02475f7dd9bea4f64f0b8e6da93b99a7cca3b833c37005b1

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.