いまここ

Recording by Ikuko Harada.

Recording identifiers

ISRC
JPPO02301541
CopyrightID (CopyrightChains transaction hash)
0x4c4be8790d439335af279bc80579d74e62843656211b075a2ba9fa0f76da9aa4
Copyright registration time
2026-06-24T07:45:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ff3507a430c90333c01e1ded444465222c947c9a028c428969f6bf1fd0aa88b8

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.