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
Copyright registration time
2026-07-30T06:10:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:4dd58f9e4df5382f8c964e1ea8b53f57cc4f7d00babe75614e38a7c47bf586e2

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.