100% Chugakusei

Recording by Nanamori-Chu☆Seitokai.

Recording identifiers

ISRC
JPPC01203571
CopyrightID (CopyrightChains transaction hash)
0x3bae8e995c048bd7814daa230e3608d8826f1f9996cd220a39b37b76d5af2404
Copyright registration time
2026-07-30T01:18:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:bb21e4c07a080670272de51c7c45adf0e3f9a3667fa641c040b4c3f6d30eac92

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.