Ex-Boyfriend

Recording by CHIHIRO.

Recording identifiers

ISRC
JPTE01404240
CopyrightID (CopyrightChains transaction hash)
0xa9bc091afb128b70589cb589cbb65376f8a2e80dbca34d9d937994b0d9d37eea
Copyright registration time
2026-07-07T09:22:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2b312d32ea679b42d1bbcf2ad2dd7196dbba5f6737449d22562206dc368a3801

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.