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: 169
Hash: 2302a7707f44c299b16b88fedd2b01cacf81a64397fc61284c85a276553ae977
Previous block: 1d0ed7846ffd38e3ce1e5bfe0a26e363e5f1abe0b8f09ecaec4495acc6eb2e0b
Next block: 074b24f869ee9c553bfc0924951075ecf9f1781c3606c4eb90f69885475a7ccc
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597895
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: f3468acb13acf21b5b11846e2dd1be24a24b4506263e75ffeec81bbb671415c7
Median time: 1701597895
Difficulty: 4.656542373906925e-10
Confirmations: 2075
Chainwork: 0000000000000000000000000000000000000000000000000000000000000154
Bits: 207fffff