無價至寶

Recording by Zhang Qing Fang.

Recording identifiers

ISRC
TWP012473601
CopyrightID (CopyrightChains transaction hash)
0x9e6cf8a546bd405ab5d91152dddc46c59cfa902d080c6f84413125441d606db3
Copyright registration time
2026-06-11T19:25:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cdf3af8f99956d46b32e833e35b552485e1e2c9aca9ecdbc52b56f599f532480

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.