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. mgqFp9Dhy

Height: 2181
Hash: 3f07d8bf51c426e08eee90b38a35a6bb7540eb0b8b945dd8a606f1151f8446d8
Previous block: 7d6fcb092721d5fb2a9eb24505ecb20c44b27a5948d3a92aebf0b051e8cf8a05
Next block: 09c71e969ec33a4ac23aefe9130929316a77153ff6c00f14c01fbe8cffbcae2a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964800
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a0d369c49e8457e9d0042a9a8ee260151a2cb75718d804ff0657981ea1810605
Median time: 1728964799
Difficulty: 4.656542373906925e-10
Confirmations: 63
Chainwork: 000000000000000000000000000000000000000000000000000000000000110c
Bits: 207fffff