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: 2585
Hash: 145c40b975d2127a512933b7813db6e6464c26df0666c83f553146f0ac3a782c
Previous block: 3375d221ea80c819c012b4ce00695be5cfaeb8f7f007366be4590b1e34aa393f
Next block: 07f927e32c1bcf5df38d0976b3ab1d2cac5e3fbbb3325b99845c905baf2e56e3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847317
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 91d8120ce0cb924922a20d9cc138df43d85d39ec0bfb4dcd437d486ca77895bf
Median time: 1743847317
Difficulty: 4.656542373906925e-10
Confirmations: 58
Chainwork: 0000000000000000000000000000000000000000000000000000000000001434
Bits: 207fffff