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: 1352
Hash: 36584a2d019aea28e6cc4b21b4d2cd8b0b42d9756cd57cf74057e4fcd30f7f72
Previous block: 76430589ffce80d99dfaa21ed4d599f877c43ce1682c6df12f68f48f9c4867fc
Next block: 4a253cba6072d80bf3d20c9282d8318d114e23e457b96942a62d611d987c06ca
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697633
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 616154f49fd0464c3b4a632aa8008a18c718b257e17c02adca9a03a6fdbfac40
Median time: 1718697632
Difficulty: 4.656542373906925e-10
Confirmations: 892
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a92
Bits: 207fffff