Plain

Recording by Kokoro Sei Ongaku.

Recording identifiers

ISRC
NL8RL2501520
CopyrightID (CopyrightChains transaction hash)
0xd2ab69623285cd4f6bbc642d2e78977f8bc653b0ea5d71a905ca25ee556cf18b
Copyright registration time
2026-07-06T11:07:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:d11a80979ad0f82364e29c2eb83e98010f00511f57a48081de08a277fdbab494

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.