知否知否 - 女声版

Recording by Yisa Yu.

Recording identifiers

ISRC
FR59R2160919
CopyrightID (CopyrightChains transaction hash)
0x7a71d7b310d8690335d1d3c2bba460b372f0a8824eed56e9f309e2fff6407903
Copyright registration time
2026-06-10T05:56:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f6771a62ab04f78cc506f606e3bfee1bad784bd00d803ef4d5561ff7cdb65489

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.