愛は急がず -Oh Girl-

Recording by Yu Sakai.

Recording identifiers

ISRC
JPU901503940
CopyrightID (CopyrightChains transaction hash)
0x5884c18c7c66e7a49c34c93f9cbcba648def7cafdcdebbbe41d653dfb8d2c6fc
Copyright registration time
2026-07-31T20:00:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:eb6c1816a9ed77e8d6b4e79b648ef87e11f854112d92d4068edd0d1cb486d7a3

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.