人時(ひととき)

Recording by Fuyumi Sakamoto.

Recording identifiers

ISRC
JPTO01200278
CopyrightID (CopyrightChains transaction hash)
0x3369e081047c9e2e27f470548c131541a25a0ca8ee1f7374a8b161799336728f
Copyright registration time
2026-07-07T14:11:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:1fcfe2a52206e5ad1b9514e9a4d4bafbd42ae57580883add0760c0398e07a13f

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.