不完全に恋

Recording by Kei Sugawara.

Recording identifiers

ISRC
JPU902403506
CopyrightID (CopyrightChains transaction hash)
0x63b9689b8ae8c19a937f4596d58888b8ac3a37adf70867ffb5604e0c13b34d09
Copyright registration time
2026-06-06T05:24:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:3a8cdfc5d7d4c8c8f6e26ac548eb464f420c8ea8ea6cc8ff93d5789182d36f55

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.