Why Do I (with Hatsune Miku)

Recording by Set It Off.

Recording identifiers

ISRC
US5262224977
CopyrightID (CopyrightChains transaction hash)
0x2bd0d7c4cb7c6639dd65e67e3507d693b04d3a0b41abf71c1367342014e4e9fc
Copyright registration time
2026-06-04T04:02:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:beec04c241d2787239e6a3d3c9533742672ba458b35647a9911e1e072009e8cb

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.