聞けない理由

Recording by Mio Yamazaki.

Recording identifiers

ISRC
JPU901602934
CopyrightID (CopyrightChains transaction hash)
0xc4e2872b42c103370a398dfc1bd835bb828624a98b1371e7e7a820aeff9c0b86
Copyright registration time
2026-07-07T09:24:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:120828e6298653f0cd3e4630a0bd126cdd68999ca825fafd687dc33ae4293fe9

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.