This document introduces the Time Ledger in LedgerDB.
Time evidence number query
The time evidence number is the record number of the time anchor and the TSA in the Time Ledger. Users can query the time evidence number corresponding to the time anchor in a certain Ledger to the Time Ledger.
TSA verification refers to verifying the credibility of the time information recorded in LedgerDB on a trusted third-party website. You can go to the third-party verification website and perform the timestamp verification on the TSA details page by clicking the verification function. The data required for verification is provided on the TSA details page.