4.11

Recording by 川崎鷹也.

Recording identifiers

ISRC
JPWP02300314
CopyrightID (CopyrightChains transaction hash)
0x2d45428dc2d6f234713409b0930d2d3676adec38b5319d663c62ee61a3811ae2
Copyright registration time
2026-06-06T21:56:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:3696ba841a2aed07a01a0433e1d9fad43399c3dbefed6809baf0eb776d48580d

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.