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: 1043
Hash: 7e82a25796a684ecbe73220c0af5d75e956536a97de39413f8ffb8a9caeadf1e
Previous block: 2e3deae0f0fe112f341f2ae29c71b4b3b38ece2a6305da050ad6a382d8353540
Next block: 6ab85bff8a83614ab38e66b855f9f3c7c1e1313c13d246771cfdd974cd270772
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857842
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 678da886664749060850a842f3e42806f31398c44a786524e0c8f61bf59db23c
Median time: 1707857841
Difficulty: 4.656542373906925e-10
Confirmations: 1201
Chainwork: 0000000000000000000000000000000000000000000000000000000000000828
Bits: 207fffff