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: 1294
Hash: 7d6c0150a3774322518f8909df435054a7663413c9007ab1f2e12f90e32a5231
Previous block: 09faa72558587bbe05b3db1d90e5ae511256605923cc863d702e07e7cd76bc56
Next block: 412d31ea257cf110a3508c7004b04159eb5bb7e583d95e94fcafadcf88186324
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697623
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: f5a44e9b3c2ff0815ebfa1f662d56d8aea728213419c40dd704b8cf170bebe3a
Median time: 1718697622
Difficulty: 4.656542373906925e-10
Confirmations: 950
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a1e
Bits: 207fffff