但愿此情永不变 - 粤语对唱

Recording identifiers

ISRC

DGA0T2445172

CopyrightID (CopyrightChains transaction hash)

0xe82f257fe07bd063ed80e4795210ffcc4b24affc1350e21c4ec77e7504406902

Copyright registration time

2026-07-29T15:08:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T15:38:18Z

Bitcoin block

960125

Canonical record hash

sha256:20e8e811b275abdc0c50edc881b86c871083432fb0598b43e99104861df5fb85

• 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.