立ち合い

Recording by Haruko Oishi.

Recording identifiers

ISRC
JPG102200499
CopyrightID (CopyrightChains transaction hash)
0xe65c0be90b9de480cdea11b65157e1ef8ecb9f16c2207c533c647d22ffec5cf4
Copyright registration time
2026-06-22T10:34:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b799c025670508a979fdf2a097536d2a0832896010574fc25f303b8d518ef426

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.