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: 2377
Hash: 337ecba7655c20f8a0104dd72031c003dd194d175964086b4f369b2c36bf63f6
Previous block: 41da2941b31c8fa3888d9d09b8214a40a9d6bca865e337933adacb2b62315e8a
Next block: 3ba8d6633853f83c3b1c0fd0e1e8685edb49abb5bbc160ba4fc770a338e73a5b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847283
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 8bb90bfe185d82953b965af0143359bb7cf24e34420abd33bba10ee53e92bf1b
Median time: 1743847282
Difficulty: 4.656542373906925e-10
Confirmations: 266
Chainwork: 0000000000000000000000000000000000000000000000000000000000001294
Bits: 207fffff