Don't Need to Sleep

Recording by John Legend.

Recording identifiers

ISRC
USUG12309946
CopyrightID (CopyrightChains transaction hash)
0x1d8e2f5e485bc6dd1afaf84d439b1a90a868ffbc8174ed2fb7b7d2e0a9dd665d
Copyright registration time
2026-06-08T10:32:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:15898db1922486fae0164ecee864f20079037d7a01192ed8afcb79f33a5d144f

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.