狂詩曲 ロ短調 Op.7-5

Recording by ZUN.

Recording identifiers

ISRC
JPW561903642
CopyrightID (CopyrightChains transaction hash)
0x37603b7b2cb0d105f8be5f7fb1ab4ffc36db213dbeef0db410b44677704f10b4
Copyright registration time
2026-07-07T20:38:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:12efdc0f71f3aad70be8e711c35d8a7718900f809c7a0ffbf5fa22edc400d0a7

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.