Seven Days a Week

Recording by Ai Ninomiya.

Recording identifiers

ISRC
JPQ322300161
CopyrightID (CopyrightChains transaction hash)
0xae409d44681cecf9fbae7b61dbe3f729ae437032c52d9f396b95d4241e3308da
Copyright registration time
2026-06-20T09:31:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:64561d0ed3ba829ce510c2a4b5596209e33d249706b5addc8f99ae6ba1b0ad39

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.