Battle Theme IV

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840900310
CopyrightID (CopyrightChains transaction hash)
0xdd6e880038eba03b6066812b5fa601dffba5bc61e0b14316edd0fd3b5a256b1c
Copyright registration time
2026-07-29T15:55:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:50c797f66daf94085916d1f53f7bc37ce7858ec82afc480f1ddf9de036c05b8e

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.