二人でいようよ

Recording by Yukadan.

Recording identifiers

ISRC
JPFL08800210
CopyrightID (CopyrightChains transaction hash)
0x95bb6591181042a0420781760f4860d4227fc577617ca068725c8da167b7aeb8
Copyright registration time
2026-07-31T11:08:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:c11aebe1566691c7fe0fb95baa9f7328978a505d4ba8571d5341e431061f82df

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.