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: 1430
Hash: 3a4daba6eb211e378fe119229debd03d6a5f88e2ab06a82970297de65215aebb
Previous block: 51c444300c26c4399a6ad67676a3f2a2d45e3e7895cc09643203665c5ee44d89
Next block: 54c1ad13c0b0ff245177f52bd9e5376694de37f49cccc608049339822ac554d8
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697646
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 2bedebc8233676990a061e5d18212a122148f36912467f8af66fef340c035ce5
Median time: 1718697645
Difficulty: 4.656542373906925e-10
Confirmations: 814
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b2e
Bits: 207fffff