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: 1310
Hash: 7551463c28e97222305d1cc398908b474a5516bb59fddf8b729dee91fe62513b
Previous block: 66a05660030bad1196f645766f278830e5693c0019c5eabd5ba446248c95a218
Next block: 27e5a3745a24651f6f2e71adadb135ed60d55fc2fc2835e76960e8818357a65c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697626
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: f5b981062c0dc258cc6bbf0a1c2bbc6fb487a64ca3dfdfd3e39e86c2ff9eafa0
Median time: 1718697625
Difficulty: 4.656542373906925e-10
Confirmations: 934
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a3e
Bits: 207fffff