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: 380
Hash: 40a596e81c2ca50c0e53097e518f86eb1fef4740c1b8cf390eb46d918c0a2019
Previous block: 6a4f877fd2169dad81c4536d9f15105c8521532e298763f7b90627b5bd93ef9d
Next block: 381dab2f2893836b4846380efe37ad296f76579ed0ccb42cd5e9922567e42beb
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597931
Stripped size: 218
Size: 218
Nonce: 5
Merkle root: 84cd1b64c53f593b3cd2fab77383d48b0aa9365cb34b74a7c933da1a4c746fd2
Median time: 1701597930
Difficulty: 4.656542373906925e-10
Confirmations: 1864
Chainwork: 00000000000000000000000000000000000000000000000000000000000002fa
Bits: 207fffff