离别了！朋友（故事片《爱情与遗产》插曲）

Recording identifiers

ISRC

QZZ972305883

CopyrightID (CopyrightChains transaction hash)

0x6d1cb84b3a002f28d70c97e960dbc9aa5a25f33d36cb9188e36052bc5486ef1a

Copyright registration time

2026-07-07T10:52:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:22:41Z

Bitcoin block

957120

Canonical record hash

sha256:9f5397f3d0e6f5678826c0db5173dc392916362e84c23f76c412202e428599b3

• 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.