普通の日

Recording by Yasuaki Shimizu.

Recording identifiers

ISRC
JPVI08818440
CopyrightID (CopyrightChains transaction hash)
0xe50e1b9f5170a1b1ec4f7909626565b647eb955a82076fc7ce90313b9f3a219a
Copyright registration time
2026-06-25T02:03:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dd767da52b3b4307cd0e2ce422f44020032600616438de2811307c45d349d30e

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.