冬の海も二人を見てる (feat. 泰二)

Recording identifiers

ISRC

JPP302100027

CopyrightID (CopyrightChains transaction hash)

0xc1eb212a14044067f75df7a0fc87b41d332ba6c2c66e35e3d75e9a0adb7e7fed

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T09:50:37Z

Bitcoin block

960383

Canonical record hash

sha256:aab6bccffd7fac3d6396ab697423ddbd8e6eb934fd061defd2b8d4aa0ac26690

• 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.