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: 2496
Hash: 3b0b09aca9c9604f380a5645932da56386593c5dcfe5837f2ba448b0024d499a
Previous block: 20f96dd0c1ca3cbaadaedabc69ffdfc04a5a0180aee039468d4d058a373cc984
Next block: 09acc3f3765eb051d96fc127ea54891b4af0490aa8c8c7994beef9c88f6cca48
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847303
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 8664ef297a7d2dcc26ce6e5a124f0723e49e719672867ab4ebb020c6342c6026
Median time: 1743847302
Difficulty: 4.656542373906925e-10
Confirmations: 147
Chainwork: 0000000000000000000000000000000000000000000000000000000000001382
Bits: 207fffff