interlude | kʲi̥ɕikã̠ɴ

Recording by Kei Matsumaru.

Recording identifiers

ISRC
JPB622001485
CopyrightID (CopyrightChains transaction hash)
0x8190ccf4c296e6cd03b0d8a23d81aa24babea6d7e639f84a314691b251710d7c
Copyright registration time
2026-07-31T19:04:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:15c063392a2fd4f0666cdd479d832be2cc2ae30f15b6aecbd59fc92f7fc65a96

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.