五年生！　対　六年生！ (Live)

Recording identifiers

ISRC

USA2P2464778

CopyrightID (CopyrightChains transaction hash)

0x67ec06b12d64bcb0b0c9a2da7d0197cb812ab895b562bb7302a10d357aa7c1c1

Copyright registration time

2026-06-07T23:43:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T17:25:41Z

Bitcoin block

953536

Canonical record hash

sha256:e813f49fcc4c085a8cccb6ebf46b0384b234b01ef22c669874650092f0fb0013

• 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.