自分を見つめて

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI09208940
CopyrightID (CopyrightChains transaction hash)
0x63fbb6593d446a25b41ec4f6d7ac68efa6988a8663ce3b0491a27e1f5adcc9be

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:0b58753e111b4538e85e4b7de785afa4eb081c66b1eff8bdfee001312d1512c8

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.