Memories (Part II) [10th Anniversary] feat. John Legend

Recording by Big Sean.

Recording identifiers

ISRC
USUM72105881
CopyrightID (CopyrightChains transaction hash)
0x3f868e52769cea0cf52e9d69f33ba1456937779bf82972e98ca427d896824c4c
Copyright registration time
2026-06-18T16:46:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ba98a65e228e7f50195ed092ece270f13f40571fa604fc98fe9d5950dd9b8683

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.