知否知否

Recording by 郭雯雯 (风采姐妹).

Recording identifiers

ISRC
MYMT19700004
CopyrightID (CopyrightChains transaction hash)
0xb3403a86d43ab3936a69fea616fcc544bff54ca23e98abfcda16b1aeb198d640
Copyright registration time
2026-07-06T10:34:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:becc5a6f23a6d4e74d070275e47ba3d7bde92df1a3d34a2ef6aded8ce009b35d

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.