Song 4 u - Instrumental

Recording by Ayumi Hamasaki.

Recording identifiers

ISRC
JPB601290497
CopyrightID (CopyrightChains transaction hash)
0x9da83c70a4764f16efb720689f201037fba86ba128335683acdf7a4eebc07acd
Copyright registration time
2026-07-07T08:17:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c337694c1f27593e0099a09028a97d8af78cf754f3a4f36c1eb7fb517c80572a

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.