心忧天下

Recording by Li Yugang.

Recording identifiers

ISRC
CNZ632201331
CopyrightID (CopyrightChains transaction hash)
0xe5a24da1e7c994fb33ca20aefd05f60a990b61fd4697cb834190654d61c2797f
Copyright registration time
2026-07-07T00:33:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:57c38500ad128aead3d6116f8496aae62d7fecb1676c4e6b219bdaa3c2e6b057

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.