Recording by Hikaru Utada.

Recording identifiers

ISRC
JPPO01618584
CopyrightID (CopyrightChains transaction hash)
0x4da88a88bfa104f59e2e84b438a6c0e66538198d941777d57f4a2b041659c1fb
Copyright registration time
2026-06-18T11:13:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:544520c7d9243e7e706b28e33e70de2e3bb790b2b4e26668ef678e0a16b7f1d0

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.