コンコンクシャンのうた

Recording by 坂田 修.

Recording identifiers

ISRC
JPCR09805320
CopyrightID (CopyrightChains transaction hash)
0x665fd7404c21c456f4cfccc9ab6359487dd809e0580867610dc9404e6d0aebbe
Copyright registration time
2026-07-30T17:48:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:09:33Z
Bitcoin block
960302
Canonical record hash
sha256:562243f081b89051ae698f5a7265a72c41ea179e86632399311ee329baf7221e

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.