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: 1484
Hash: 0ec7070d405ceabc798e7b806de7410f3e8045fe131478c1355d7206f48ab001
Previous block: 64b33f00b06b4b27fb71ce0e7489bd9acbfbd284db7a5d1b356d60c275cb63ec
Next block: 49124817a3ee6d1a3762ff4c173d56fd4e6e1d3b16978ce943ab31e138837ee2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697655
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a423471d72000da995f9425575320ab5d3c00a7157e17770c6e0a040f99404f1
Median time: 1718697654
Difficulty: 4.656542373906925e-10
Confirmations: 760
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b9a
Bits: 207fffff