King & Queen (feat. Mary J. Blige)

Recording by John Legend.

Recording identifiers

ISRC
USSM10605687
CopyrightID (CopyrightChains transaction hash)
0x8cfa26a18dcb5b9c9803743d046aa1218391ce9133c65df6e0773c2ee06d127e
Copyright registration time
2026-06-07T18:34:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:ef4c133226c1b52be5d717a8d46ffe8c72f4479b6123448e87d927237e9f41c6

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.