Hard beat×Break beat

Recording by 5pb.ちゃん(cv.nao).

Recording identifiers

ISRC
JPK631303102
CopyrightID (CopyrightChains transaction hash)
0x7d88c437c307a215e0eeacc901cc60576df2e2ac53c5d10bacbe98b1751425a4
Copyright registration time
2026-06-25T20:27:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7b8a3f8f643d9562fa3dbd1e0ed12985587a10d6d084bfc07aead377a994aa98

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.