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: 1006
Hash: 75dd52ab03936a8ef0fd3f068bab60cf95f94287add2941ff5ff91be16d0500e
Previous block: 18277cac79bc5bcb493af6f98d30f10f802358f6097d330289ac3d1bfa882fa7
Next block: 444b98802637e12cf3703ceb74a5422426c4e921d5568eb9729a5506954dac51
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857836
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a0f67d759140feb72a6b1d5aa3314da0362e257e62e78a3e2a2adeb374e9a336
Median time: 1707857835
Difficulty: 4.656542373906925e-10
Confirmations: 1238
Chainwork: 00000000000000000000000000000000000000000000000000000000000007de
Bits: 207fffff