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: 2306
Hash: 4afb4013186b8a43f0c2a9c2cd9f3ef979d75473d9b5ea274a8cdc441033426a
Previous block: 6aedc242b0d45f84df0f610c523122b4834b1329fbeb68569e6bdf333b486377
Next block: 6be399df769c12f782c71ce88b51b9c8872a55372652d558ff885cce02b22262
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847271
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 08de0fe4e851c0dd2084b256282779c983128381423db678550b5ce6611ff578
Median time: 1743847270
Difficulty: 4.656542373906925e-10
Confirmations: 337
Chainwork: 0000000000000000000000000000000000000000000000000000000000001206
Bits: 207fffff