The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1095
Hash: 6862dafe06f39e6793364cff0534577e7d70e135cb812465ba7103b4db28a199
Previous block: 67e6806a2820498f31665602724f0ce74b59db2b8e233d0054a1228aad78bfc2
Next block: 330035cd515e5d2e97ef1972ac6f747846d46820d58b0d55434b6edd78e0bcbb
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857851
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2e81cbc700f853fff2b86b5b33822bba20dee4af0c08ddc3a5b0ac893becc497
Median time: 1707857850
Difficulty: 4.656542373906925e-10
Confirmations: 1149
Chainwork: 0000000000000000000000000000000000000000000000000000000000000890
Bits: 207fffff