あいのこども - demo

Recording by Ikuko Harada.

Recording identifiers

ISRC
JPCO00800120
CopyrightID (CopyrightChains transaction hash)
0x495c02c6feb5c75b94166cb7d9a1ab88f83fe75546033252e990165356170c65
Copyright registration time
2026-07-30T20:05:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:11:13Z
Bitcoin block
960303
Canonical record hash
sha256:e293a31c92bbc017ba6b8c91eae07f46ac52ad3d71e18418b053cd55019c94de

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.