午前六時 - しょこたん☆せるふかばー

Recording by Shoko Nakagawa.

Recording identifiers

ISRC
JPU902300102
CopyrightID (CopyrightChains transaction hash)
0xc0617f731648f4b41c6dc684dceeada58d8dd2eff3cd160f207ea25bc66f7293
Copyright registration time
2026-07-07T03:02:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:5de8ad46dbc2dd2a73ec6dd5063771855635bb278ae8b3486f3b7cd5f3993018

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.