过期的永久

Recording by 王梓琪.

Recording identifiers

ISRC
FR59R2493037
CopyrightID (CopyrightChains transaction hash)
0xd522354c07d2c53eb02dd50036067ea25763f98dd5440ad90e1ddb614d38023b
Copyright registration time
2026-07-07T15:11:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:10170391f89d9c57243e97ed8ab71a0883e72c9475d6874a752ec56db47b968a

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.