BT - Ver.2

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840900330
CopyrightID (CopyrightChains transaction hash)
0x72bd5a112b3a90819a5b32a0419c59e2544dc0dbfcc13c96df0de818f04b2bfb
Copyright registration time
2026-07-31T15:10:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:249795bd7da0ea4404f5ab6a56ea060cde7ac715415d87b3bbc634cee693fde3

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.