この人だれだろう

Recording by 水谷広実.

Recording identifiers

ISRC
JPI101302753
CopyrightID (CopyrightChains transaction hash)
0xfa4034106b45e1ce6c061b55c626f7fd37fb2705161482323ff869ff69ae898e
Copyright registration time
2026-07-06T19:41:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:78d720125da9f96157d25809b21cd0e146a886da70297014ad7f6cb2b0057987

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.