Start-Up and Level-Up

Recording by 広川恵一.

Recording identifiers

ISRC
JPT332400092
CopyrightID (CopyrightChains transaction hash)
0x0c58ec62fc022e3a6bce15a664604809437aff6573b8756fe49c8f747360d960
Copyright registration time
2026-06-18T03:14:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:004b45438a6c3a1b7e6681315fb32155aba78720a99b63e946c7d5c081264468

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.