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: 925
Hash: 36c231fb7d91910d0a51045fc3d0629658e1179facfd4909d033c0e64cef0f9c
Previous block: 3704ba2a8b00750fa9d97bddbb2a15b6c447fc7bca74b856fccc8372d3ba05d7
Next block: 74c29ad706440e811852f6775c7a8e82ca98d63ff3c00fbd23a581174db9ae19
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857823
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ec452e5ffffe12dc15c1af82e78a074dc4707a520e3762699fc3b55809b18989
Median time: 1707857822
Difficulty: 4.656542373906925e-10
Confirmations: 1319
Chainwork: 000000000000000000000000000000000000000000000000000000000000073c
Bits: 207fffff