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: 2281
Hash: 18f6a1ea4786714be9041efdbbec760f24a7cc472c5c402aefb49581f278f9fe
Previous block: 3333498396396b00833cef1aaaeef903992144a13d9c00ffe2720223a070fc94
Next block: 7485be0f3a7b20016422b0353712e3df7d24d8e181835c4dc2363db4a36d8752
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847267
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 6d206e9efc9ed47fd35e9ce5212109cac784617d04077793e18d99dbf28937f4
Median time: 1743847266
Difficulty: 4.656542373906925e-10
Confirmations: 362
Chainwork: 00000000000000000000000000000000000000000000000000000000000011d4
Bits: 207fffff