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: 2526
Hash: 7b4f37c920e5fcfb31b9f1f7d57cd9094681f44601262520aff14d84e1565477
Previous block: 3f0b984510f4aa81ba958b70dc424b9356a6c66b5ab34ff1e9e891b2b238550b
Next block: 597ddfe1a364059fe99f4a269dc5737b26d0be9793b6860fd7b3d375b9fe426f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847308
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 9c50a48d4207238cc63202414d778f96f00792c8065778f6ecae712dcc367d86
Median time: 1743847307
Difficulty: 4.656542373906925e-10
Confirmations: 117
Chainwork: 00000000000000000000000000000000000000000000000000000000000013be
Bits: 207fffff