A Serious Battle

Recording by はがね.

Recording identifiers

ISRC
QZK6G2437953
CopyrightID (CopyrightChains transaction hash)
0xba9fb78973a4221d2aea03876d311eac7b69ef1e7de3f9546d3b37eb67306f3d
Copyright registration time
2026-06-18T06:28:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:89b3e7bb1bdf54021498eac9adeac921de3e9b97a1c38e23d4bc28e6cc132fa2

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.