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: 1960
Hash: 533b937ee0ce81f15d9b870de0a5c584e69564f43303bc2247a181357f964260
Previous block: 0bf35999a42490e25864cecdad8229744dbcd858a8864008e8b49468ac848172
Next block: 272b4a03b36f799c0e8eea3562caff9b7033a40b36657fbda5946f41dcd8e2a6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159250
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e6a3ffb74761cf02032f5034ef88d40fef7d97d2135a488e87b5a1600feddd3d
Median time: 1719159249
Difficulty: 4.656542373906925e-10
Confirmations: 284
Chainwork: 0000000000000000000000000000000000000000000000000000000000000f52
Bits: 207fffff