大丈夫

Recording by Yurufuwa Gang.

Recording identifiers

ISRC
JPJ901701140
CopyrightID (CopyrightChains transaction hash)
0x4822382ae7d452d277ad01431c88ff5e78e7793a3b07f4f7e6074aa861e401d2
Copyright registration time
2026-06-26T00:22:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:34:59Z
Bitcoin block
956349
Canonical record hash
sha256:36980e4e0ac7323428231d73699da18e54ebbfbc05586724fb2d2c4ad1929c08

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.