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: 781
Hash: 1fb27538b26d8a647bec1ba7774613a56f8da47bc7e4c44771b13ec630235a15
Previous block: 49cb514f669220868f43752fb18e82b223cbef2e25727b837fe0eccd5284ccc0
Next block: 153a4ecbedbca904e8dd9eaf7a1d7cbeff696ca2c12913c974978c55ada6e524
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864274
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 8a815d9546a09ce8d3894247017d21db8b2cfe4f5e4d91e8820ca4ebd7b3893a
Median time: 1701864273
Difficulty: 4.656542373906925e-10
Confirmations: 1463
Chainwork: 000000000000000000000000000000000000000000000000000000000000061c
Bits: 207fffff