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: 897
Hash: 4147c18ed8f4a52890ca8d9305c77823f6a0211dd471582791e4ec9759293fcd
Previous block: 5b71566895c1fc8a3b1a2b278cc35553300009dbfc690a931386eef2aa48305b
Next block: 1bf5776bba36e316d77df9817c0bd8976b5c87e235fb66a295753215e322aa0c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857818
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 1412ddac1b162c45cbc1c837772ff9b36dea9aa9c61c2eba7e8211eaea8c9c16
Median time: 1707857817
Difficulty: 4.656542373906925e-10
Confirmations: 1347
Chainwork: 0000000000000000000000000000000000000000000000000000000000000704
Bits: 207fffff