Too Proud - L1 Remix

Recording by Hikaru Utada.

Recording identifiers

ISRC
JPU901803446
CopyrightID (CopyrightChains transaction hash)
0x8123e6e92924de2a742c0b8b24db2f887aacbaec61eb43b0cbf047f505173632
Copyright registration time
2026-06-07T06:54:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:6dfad94ff1e5d762105589a4af0b27c2750a392b26665ef0bebca69b82b2a2e7

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.