Sad But Good

Recording by Yurufuwa Gang.

Recording identifiers

ISRC
JPJ901701120
CopyrightID (CopyrightChains transaction hash)
0x629e8ac11b136dce73d5f235389969ceafb3fb896b1a63658b5b1f721834aec2
Copyright registration time
2026-06-19T13:45:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:19e418ede4bc5ea1ab5626d0d1aba4442cb04a1e9bd69a639a32b04be87f7bda

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.