Haruna no Jikan

Recording by Haruna(CV:Nao Toyama).

Recording identifiers

ISRC
JPVI02002442
CopyrightID (CopyrightChains transaction hash)
0x7ac3b80a1265f50a485a7f4214e4fa3d09394540536df8f74b519a5eec8e9596
Copyright registration time
2026-06-23T02:08:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1faa8f9874f4714ccc7e6d46cf96a62137ba16f056f1d3d0104b22face2dcfd7

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.