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
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f03dea47a1c97a923c579727b24864a77ecaa6ee0b6f416ee542dea608ddcb7a

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.