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: 2432
Hash: 1a096ff679cfd47083c168e1dddfb5172c074760bf6fb99bff88cbaada5138bf
Previous block: 4949ce014493235f2d384d6ecb5568770d3a0b8542422cc08d3b5aa491c95806
Next block: 4bff3a32e96fb515a3fb6143a323efa60f968f59d82ebad102cfce0dbdb3aa3e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847292
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 9dedad58da787b91e730e541c5f464ed7751ff857c6fcc1bf8eadc2fb8918b01
Median time: 1743847291
Difficulty: 4.656542373906925e-10
Confirmations: 211
Chainwork: 0000000000000000000000000000000000000000000000000000000000001302
Bits: 207fffff