北京北京

Recording by Wang Feng.

Recording identifiers

ISRC
CNA651201767
CopyrightID (CopyrightChains transaction hash)
0x8438994d3810143470a0963c2e8a935bc8b9da0bfe1413916c2aa199dd491370
Copyright registration time
2026-06-08T16:05:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ed0cee40f5bad9508d50d12c129ea73b1ff8600a02d5b19815dbc75092729014

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.