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: 2324
Hash: 3abaf0a66789a16e1fb9f420cea7574ea849289ac0f956cf60d80b431bdf72ed
Previous block: 205c09bf8ddd6318aadee1fbf34eba3fd90f13033fe2a7223300958aa74c3e24
Next block: 0cf1c7394c0689a62f05a79a5571a1d38b9003dad8992f32f580d0f6a7324b4c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847274
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 06b29d7bed0091d58982c9392881504d3da43e0ca9127f18c38b6122ef91d2c6
Median time: 1743847273
Difficulty: 4.656542373906925e-10
Confirmations: 319
Chainwork: 000000000000000000000000000000000000000000000000000000000000122a
Bits: 207fffff