The Thirteenth Day

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA840900767
CopyrightID (CopyrightChains transaction hash)
0xdb81519ce2cff95954b554f6c3d05f3c289283de2d126cf081f20cf3b65b098d
Copyright registration time
2026-06-09T07:05:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:96d6e9169932622cdbbd29e63b00c4b031f7567931b12911eeddd3959357773f

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.