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: 1002
Hash: 053073d845fb6de7e99ae409ead820392ebb0a83fe2d36351305d1daee6194d6
Previous block: 0c4df633c82278fd7293bfae5a4c75bf0dec856e9e17494172a3f212acc093a9
Next block: 3fc3c9e1067f6d540271bc3d33603ee969dafdafe7793dfe5a2a1058cbe20d8b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857835
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 5e066eff5e5b9903b926745b3360edf0faf0a278fb55c4679e9553af27408048
Median time: 1707857835
Difficulty: 4.656542373906925e-10
Confirmations: 1242
Chainwork: 00000000000000000000000000000000000000000000000000000000000007d6
Bits: 207fffff