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: 1476
Hash: 7332226a58ed23d672063790c0b2d500dcf0e5bae837acdf65f4387f381da260
Previous block: 3ec02725c300fe704f35441769fad2edd882d56cae2f46a767375649c0729ef1
Next block: 48c2cc8f549b55c44ba7e99e84a26fedf7c7601ebb2ca9032bd5a58881aff56a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697653
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 6a9ac18a131ce4e50ff39b6abbc7f478226f7a4459bb306df145bbff9f65dc5c
Median time: 1718697653
Difficulty: 4.656542373906925e-10
Confirmations: 768
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b8a
Bits: 207fffff