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
2026-07-09T01:49:50Z
Bitcoin block
957246
Canonical record hash
sha256:dc1a2ec797d40221e07893e943953ea841478e46d402f789e7482c30245c6713

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.