Introduction

Recording by 小沢咲希.

Recording identifiers

ISRC
JPZ922301992
CopyrightID (CopyrightChains transaction hash)
0x5443adef4a85ec6513a5f77f55163f7382df61523baeb759bb99edca1b9f592e
Copyright registration time
2026-07-06T20:00:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:273087cd812106e84d89be7a519b08d3f4ef3e37efb0cf30aec00e34207b66c3

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.