オパール

Recording by KOTOKO.

Recording identifiers

ISRC
JPPI01900610
CopyrightID (CopyrightChains transaction hash)
0x8040d08496571dfe5ba70ba8f506aaec2d2b7f164d3cdc33c626c349b719e817
Copyright registration time
2026-07-31T18:34:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:eac45970b0bad66e0f61614fa0aa3a2aa41298ffa5f43b2488a9ffa6805fc141

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.