Bye-bye darling

Recording by Ayumi Hamasaki.

Recording identifiers

ISRC
JPB601300635
CopyrightID (CopyrightChains transaction hash)
0x90908eb74fda22335b76218040ebea177045251a9f7ae49d46dce23f122a46ef
Copyright registration time
2026-06-20T23:31:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:733e92b418cd0116934344cc9ec2a97994b339318930692d4d7503f48abc0300

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.