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: 2027
Hash: 65e46924ee886090e5b509282a4d6a9b482d3685d4276e5769b7952cc5224a19
Previous block: 6c7f9b9bed387059c45967370b8922425ed30d8e4fdfda98c79a2e503a8a05b0
Next block: 5b1b055691bdfdb74fc0d9570c33d2bfb8826e7aedb62a08b9cda5e0591b13ad
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964774
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 4b7d51543e4a55a42cfc802e30cc8a21aba2f40875b4e382969aef7f119ba64a
Median time: 1728964774
Difficulty: 4.656542373906925e-10
Confirmations: 217
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fd8
Bits: 207fffff