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: 2141
Hash: 763d5a38795b622dad3e361e5e4dd0f48563c4a3e4127b9a2161412281ba1e04
Previous block: 4c201105d66207c48eba27aa960a4368a1973fda2b2c3ecdca48a9ac33c4e785
Next block: 34844cc34cba911c538f8c4c463281689130db703c7d3c4833b6d6f6a0ddd7ee
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964793
Stripped size: 218
Size: 254
Nonce: 7
Merkle root: 175d070450112105d4260280c38ba52f3569308775d8b96bb3088b8f2c31a064
Median time: 1728964793
Difficulty: 4.656542373906925e-10
Confirmations: 103
Chainwork: 00000000000000000000000000000000000000000000000000000000000010bc
Bits: 207fffff