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: 1090
Hash: 79889b9f66f6ff57b2f7794a010bab58a1cdc5c7b7075c360a69facf8a930388
Previous block: 492d10dfa3920fbd5e7114ed704351f16758c37d9711a009578e587a4bc85c59
Next block: 666b370fdfcb4ebfb036665cddb67dce1a0b73e2d42794638786b72d6fe4d084
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857850
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e77016e5d738a7d2fbe3036c20ac209c6759d65941553881ee4826b39fb8b408
Median time: 1707857849
Difficulty: 4.656542373906925e-10
Confirmations: 1154
Chainwork: 0000000000000000000000000000000000000000000000000000000000000886
Bits: 207fffff