真夜中の一人お茶会

Recording identifiers

ISRC

JP92N2443045

CopyrightID (CopyrightChains transaction hash)

0x025025ec3e76fd79c6b0d5e255ab834c78776a0f25087dd9ef3e80eafc675899

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T04:30:37Z

Bitcoin block

960509

Canonical record hash

sha256:a1cae81e3dae362b6edc783d5d8cf2464afc72c7264c5860af0f5370fa9400ca

• 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.