366日

Recording by 川崎鷹也.

Recording identifiers

ISRC
JPWP02270866
CopyrightID (CopyrightChains transaction hash)
0x28c40dcc65a4be9bb68d68f9bb5b083f0f95dd714b76de102af8d94f632eef71
Copyright registration time
2026-06-04T11:49:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9efbc01d7e30257c786ad361ca1966596d52bdbb6da5a42fa745a11c0be8c2f2

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.