例えば歌が日記だったなら

Recording identifiers

ISRC

JPI101900201

CopyrightID (CopyrightChains transaction hash)

0x60e2366efe0793ba4edf785fe7308f2d8f10262b6b83c014b7087f56e3b9e357

Copyright registration time

2026-07-22T08:25:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-22T08:41:42Z

Bitcoin block

959114

Canonical record hash

sha256:69bd5314b9a70d832363dd30820fcfe10eed6aa9ff76feb9f9559c5c4aa742c0

• 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.