食べかけの朝

Recording by Nao Kawamura.

Recording identifiers

ISRC
JPS809915431
CopyrightID (CopyrightChains transaction hash)
0x5bc9e937654733cfda8547f385fbd1a94819c422f627e9587ce765229063987d
Copyright registration time
2026-07-07T17:28:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:f9af0ec5f9e2c929de8d234f41b4db5b0f806fa82b159efc467df88ae394602b

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.