とぼけた顔

Recording by 浦上想起.

Recording identifiers

ISRC
JPT592010145
CopyrightID (CopyrightChains transaction hash)
0x519766141eb8418c4a8caca7c9e95a8409d20c8e882a4b582ae759f272b1e698
Copyright registration time
2026-06-22T15:57:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e256159a7807eea7223a14ece2c9b6cec635af0a625654c62f10ca9ff435fb3d

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.