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: 2440
Hash: 65d299709cd07f26554fb61a57488ddd8d574e13227e4c68cfd960cfa6ac64d3
Previous block: 3d7175b7dd597caebdc583d99c1aec56b6d5a2a6f06728375716ef6c2557bbdc
Next block: 725f9fad0f14a9ce6f34fd3f64da0cde566aa4b965fee4fd014aca74335217dd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847293
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b85b50a4fab6d72a4af151e792c39291fc544440b91538d357c3981a1d6d06c2
Median time: 1743847292
Difficulty: 4.656542373906925e-10
Confirmations: 203
Chainwork: 0000000000000000000000000000000000000000000000000000000000001312
Bits: 207fffff