一万年後の和世界から

Recording by ユーキヒロセ.

Recording identifiers

ISRC
JP92N2406783
CopyrightID (CopyrightChains transaction hash)
0xc157936ff9898c9c164dac4f9559c42f5335df36047c0418a5e2bbb08a1455cf

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:ee8370a8b9a16a7b41c525404e9701254bcb714ea9cfde36214380a91379151d

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.