最終楽章：魔女と七人の美しい少女

Recording identifiers

ISRC

JPI101501273

CopyrightID (CopyrightChains transaction hash)

0x85bd2b7d371e2c0857dd1e2e928819d4de09c6705c9418c637d0b5c6ba133e25

Copyright registration time

2026-07-31T19:45:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T19:53:13Z

Bitcoin block

960455

Canonical record hash

sha256:557d07e49e1a079a1c40389611a78c24f7c37116f13e335a272dbf988a8197a1

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.