ひょうひょう

Recording by Kayoko Yoshizawa.

Recording identifiers

ISRC
JPCR01510180
CopyrightID (CopyrightChains transaction hash)
0x339061f83ca8affd834b90f6d9c8433ba34e4567b9434058bb6f4b9e82738ddd
Copyright registration time
2026-07-06T07:20:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:25:45Z
Bitcoin block
957041
Canonical record hash
sha256:3b89f283f7958fe83c9c22375d0c3e57ebdee9e8e4e070b568612fe56a6a31dc

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.