The Final 13 Days

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA841300794
CopyrightID (CopyrightChains transaction hash)
0x1fdaa60b8c9fc994be1cb8393b13d0caca46e2ad770609d24da9a47b1af7fca5
Copyright registration time
2026-06-22T22:15:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:98685d012058f2c71a5ebdb885f5fb79baf8cfd57a0f4779546b9ddddfd5f57c

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.