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: 2383
Hash: 2e942514a81ee54cea818dc6964d950ea076773a7a6e4bfcb930c12e7660982d
Previous block: 2f7eceedf3c2510d8fa55a9977b495558a7717d359d51c6d9d701335495c54d7
Next block: 2696c3a6b8a3e8f9873083fd05a11298845c0d9f749f6b487ccc50e6a9cc0afc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847284
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 80c14d205f348a1e679a9d49e019cdff000fd0100ac0fa9c3cf90fe8db9c3fd8
Median time: 1743847283
Difficulty: 4.656542373906925e-10
Confirmations: 260
Chainwork: 00000000000000000000000000000000000000000000000000000000000012a0
Bits: 207fffff