長樂四方 (影視劇《四方館》片尾曲)

Recording identifiers

ISRC

CNZ842400509

CopyrightID (CopyrightChains transaction hash)

0x4adbd810626b9d04d06aa0bd9d73c8b49957c70c8ac7c0846c7170bf8b30be32

Copyright registration time

2026-06-22T18:20:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T05:09:12Z

Bitcoin block

956312

Canonical record hash

sha256:fcb83e520b951f2d73756c9f56e58b476ef60b3b9c571936f62c30b7cdd1a889

• 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.