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: 211
Hash: 134309a4fc8d45a368909164679eba5a9b5de990bd8ddf8c35668ff38a86fd1e
Previous block: 2ae9c817baff57bd598f3fd38715a30e152e44bedfa9de87c7b2a6bf7f0f6583
Next block: 011b43067324a5097c5043f73e409d950b576ea8726c1b62ab9149fdd95aa014
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597902
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: 02e2b39426f858940f23dc76973190f4b5727209d3aaf0d7554f300df9b19811
Median time: 1701597902
Difficulty: 4.656542373906925e-10
Confirmations: 2033
Chainwork: 00000000000000000000000000000000000000000000000000000000000001a8
Bits: 207fffff