Ivy

Recording by Ayumi Hamasaki.

Recording identifiers

ISRC
JPB601270454
CopyrightID (CopyrightChains transaction hash)
0x9f7d6e3387ae104b6674a218eeb93cae195a7251cfa5369bb9ac0e4005de9c0f
Copyright registration time
2026-06-11T06:05:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:30ebeff11564e45987e4e0bc8ede47eee88d737097d9d620a17173db4bdd3aaf

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.