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: 1866
Hash: 372d2f3d5ff1d22103b32998e199a4121e0ccc191a6d7fe29c7d3e9dc577bfe1
Previous block: 01d1fed6fac1a9576a304185df3e0a814c63eadbcc4d9cf6ee26dba2d043f51d
Next block: 4e41afc57952b7ca9d796ca65c8b48d951596668061b142efdf42a9de8c0119e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159234
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a18d86e8c5c2787afb3a9e1869a6cfbac53f3f7bd2c393e53c788ea5c342e0be
Median time: 1719159233
Difficulty: 4.656542373906925e-10
Confirmations: 378
Chainwork: 0000000000000000000000000000000000000000000000000000000000000e96
Bits: 207fffff