On One (feat. AD)

Recording by E-40.

Recording identifiers

ISRC
US4KV1600045
CopyrightID (CopyrightChains transaction hash)
0x940eae8383e708fc6d96a9228b36e9b3b8a7754e62fb9b0b3fd4d0588b363284
Copyright registration time
2026-06-19T10:11:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T12:58:18Z
Bitcoin block
957039
Canonical record hash
sha256:cc5c4862fc2631ab410bbbd0556a9c41f12574f93bc4f16f9ae77232f93d37d6

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.