最高のプレゼント

Recording by 渡部チェル.

Recording identifiers

ISRC
JPCO01906160
CopyrightID (CopyrightChains transaction hash)
0xb44a80b6a1bdedbdc83d9c5c1356c157cbe01657835114109e43200a84c925c5
Copyright registration time
2026-07-07T12:30:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:aebd92c55244a55fb1715a8e9688718959f7611381114bdc0ebbbb30492a2a58

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.