A.R.

Recording by いとうかなこ.

Recording identifiers

ISRC
JPK631004101
CopyrightID (CopyrightChains transaction hash)
0x3f3ad17a944b77d9bde4641f74a0d075782bac17c42d1e570ac93f96699687e7
Copyright registration time
2026-06-07T18:38:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:12ffb481b2ca129e16dd402acf5947b938f58e8465be344b0df5d8a5ebf67720

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.