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: 1044
Hash: 6ab85bff8a83614ab38e66b855f9f3c7c1e1313c13d246771cfdd974cd270772
Previous block: 7e82a25796a684ecbe73220c0af5d75e956536a97de39413f8ffb8a9caeadf1e
Next block: 722b54c8a6cad3de726128a568174485a0cbff220f6a8bd96dde39011c983e29
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857842
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: fc83c0192289454f1241dd34fa4631fa8eb63a928e7aff69c2b968db93e2fcba
Median time: 1707857842
Difficulty: 4.656542373906925e-10
Confirmations: 1200
Chainwork: 000000000000000000000000000000000000000000000000000000000000082a
Bits: 207fffff