SPEARHEAD

Recording by KOHTA YAMAMOTO.

Recording identifiers

ISRC
JPE302100541
CopyrightID (CopyrightChains transaction hash)
0xf9f4b0a62c93683f757e93c84a77bb9eb9771b3e6f7543af3c5f6f4637768dad
Copyright registration time
2026-06-07T06:17:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:8cb773d055564bf93ebd0fb9ce130ff951e4a9ddaa91ab42d8332cfb7834d22d

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.