UMI Says

Recording by Mos Def.

Recording identifiers

ISRC
USRW50200231
CopyrightID (CopyrightChains transaction hash)
0xa4c4578fea8631f98040cd9275cf5d7f71c48dd9a0ef637f7b43677e2c11ee34
Copyright registration time
2026-06-04T06:16:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e84d7b330140fb15af63ff7a73aa9a93382d00a723637a13aaca16c6f16bd5af

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.