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: 996
Hash: 12eab32668dd962ba578416fc53b764ef31f3a27e14b01bd3dbceba0ed865aa4
Previous block: 4e9a7c4478eff5b0d1910785c784ddfcd341ae47e803638f6e9092dfe42f3b86
Next block: 62845ed1d565900d599e717e6773b9f1b53462f68c6d9cbbff39cfb2b1f6d935
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857834
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 50e01c2ca703699b2eab8a81dc80671abc28d77de47571face915c1bd214e0ed
Median time: 1707857834
Difficulty: 4.656542373906925e-10
Confirmations: 1248
Chainwork: 00000000000000000000000000000000000000000000000000000000000007ca
Bits: 207fffff