Used to Love U

Recording by John Legend.

Recording identifiers

ISRC
USSM20403198
CopyrightID (CopyrightChains transaction hash)
0xb313f7aa40f36612f6530812a68633e0107147a9f6447d12a78e2f18732e0a7f
Copyright registration time
2026-06-04T07:49:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:628e2317adaedb6c83b05ba1f5a2b3fabca3fa0589b6f328588e0f67c6abc3c1

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.