直球勝負の男

Recording identifiers

ISRC

JPA961310045

CopyrightID (CopyrightChains transaction hash)

0x8837029eb713fd1847008efcf93d0817f52a65c07e4b6b94c1a5e2557d3c5fee

Copyright registration time

2026-06-08T11:25:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T15:41:10Z

Bitcoin block

953528

Canonical record hash

sha256:fcce76eec6b16cd1e187dfa4e194692edf9bf7fb7533efe13b3d76c587a26031

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.