Too Proud

Recording by Hikaru Utada.

Recording identifiers

ISRC
JPU901801546
CopyrightID (CopyrightChains transaction hash)
0x4d1d32bbec3c78e4d653ae2df18c64b00feb24945b626927e4f483288e9ee061
Copyright registration time
2026-06-06T23:25:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:8785d73d580b441afc7ea28176251bed26a77662d492186c2cc1c90a875c681c

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.