Unhappy Melody

Recording by Masashi Hamauzu.

Recording identifiers

ISRC
JPA841600534
CopyrightID (CopyrightChains transaction hash)
0x8d52a0251a030a270541eeb5036084ab3173878f9aee9a15ec05ec90b9acbf06
Copyright registration time
2026-07-06T00:33:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T01:25:57Z
Bitcoin block
956856
Canonical record hash
sha256:a4185b1084a43925e52f8a1e7a51680d99c0e91d2b13fb45193f899082ade8c8

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.