Touka

Recording by 亜咲花.

Recording identifiers

ISRC
JPK632300501
CopyrightID (CopyrightChains transaction hash)
0x937059757d4aaf0ba7144078f7519b6d1ce4968959ac8d250df1811c7fb57a73
Copyright registration time
2026-06-23T02:08:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cda0ddd0c5b70bfb3bc89f95d02b58b5d195541111c32e8d7fe3a3e9c53cba8c

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.