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: 2510
Hash: 318fb45e2b73fad84556fee32a8eb772bcf6e68737da5359239352d677ce0d24
Previous block: 32925da00a574da472cb9f0ec40e9f3eb1f14f3bb1d40974f7570f09dfd0987e
Next block: 24cedd762e29aac5dc7b98fa681c4b1e605af03aec5b5eb9d2637f4d867e0911
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847305
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c58c92d25b8b2c303d7ac6a7b1571db5b1c5fe2bcbaaf9e8654f9bf2688dab68
Median time: 1743847304
Difficulty: 4.656542373906925e-10
Confirmations: 133
Chainwork: 000000000000000000000000000000000000000000000000000000000000139e
Bits: 207fffff