君との思い出（※イメージです。実際とは異なる場合があります。）

Recording identifiers

ISRC

QZTAW2272349

CopyrightID (CopyrightChains transaction hash)

0x192c6d5407feabe12b61c0bec2b0661cc8cc986c0dd3dc56d6f76ced67adaab1

Copyright registration time

2026-07-07T04:59:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:ff055217425f6e87d07db57afcfabad63ab8e2a21d280b5fa15194dc25007285

• 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.