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. mgqFp9Dhy

Height: 2182
Hash: 09c71e969ec33a4ac23aefe9130929316a77153ff6c00f14c01fbe8cffbcae2a
Previous block: 3f07d8bf51c426e08eee90b38a35a6bb7540eb0b8b945dd8a606f1151f8446d8
Next block: 213e736583a5c6b75a3c68c3da9430e4449d360ffd32be70d0d5e076079ce555
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964800
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 87dff035cd2c6270c68acaaced09c318c5e4ce1cc5f4a9727a4a852ce0cabd47
Median time: 1728964799
Difficulty: 4.656542373906925e-10
Confirmations: 62
Chainwork: 000000000000000000000000000000000000000000000000000000000000110e
Bits: 207fffff