今夕何夕 - 片中版

Recording identifiers

ISRC

FR2X42401794

CopyrightID (CopyrightChains transaction hash)

0xa560fe5e673163a44ca7871f1a6dff2a6b2c9fb0d26990b44e6ab19b7b4feadb

Copyright registration time

2026-07-08T01:21:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:e846e835b1bbe3f16b27ede5a2eced2bc43e46dfb8b9f0b5fed245743f23e4ae

• 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.