BT - Ver.4

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840900333
CopyrightID (CopyrightChains transaction hash)
0x5b040bbce1ce0611a49ed4292c2a997f46f724b056a8e38a07e1120ec331aec6
Copyright registration time
2026-07-31T00:30:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:3aee7319ebe5697e5181c1ae4806c4867fda8074e333ef32010217095a40fdef

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.