Do They Know

Recording by Takuya Kuroda.

Recording identifiers

ISRC
USC4R1605258
CopyrightID (CopyrightChains transaction hash)
0x4806f2ecc7e4419a5f99c9de7d5989d9abf7110d4f78b411f111e3fa9219f7d9
Copyright registration time
2026-06-08T04:58:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f02e22cd8a0288e0cad1a3a12fc8626b1cecf3ffa066e66466060ff160d4d745

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.