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: 2110
Hash: 1a10af1a68410f50e843c665143371d5ca79c002e09dea787217ab5b9dd74ef3
Previous block: 00ce899ca67a54a67954eaed06e73c6ad26eab971db33d1ce76c9aa837b289f7
Next block: 2c1d61c84554eb565edf7fe83477a92d6a64a919ce5c667fc72f0fc3932df386
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964788
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: c9db43267f83755397a67444ed2f4457e99617b77d5fc768ff11db3c1e629fc2
Median time: 1728964787
Difficulty: 4.656542373906925e-10
Confirmations: 134
Chainwork: 000000000000000000000000000000000000000000000000000000000000107e
Bits: 207fffff