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: 2628
Hash: 026c325ac2c9f7865fc1089922794d3ec1bd7e9a1e03aa322b567b9240792549
Previous block: 396705dddd8141b12977095d71f0b92207288004fe87ec5933e6589ada276278
Next block: 4e63f6ee1ceadeb3014e63369fc44a283c121505c8c10cb08c29911bfced8c73
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847325
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: bef3043f9238cbac80b7cac71bebadef823a2c31fda4f501a872add2bb1c0a36
Median time: 1743847324
Difficulty: 4.656542373906925e-10
Confirmations: 15
Chainwork: 000000000000000000000000000000000000000000000000000000000000148a
Bits: 207fffff