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: 2269
Hash: 07b9f6ea2ba285e2b06ae3ed13d5cac78dfcc6738e499abf04367c27dfd037cb
Previous block: 724ae9b35d3222068ec418e385aa51a4854fc9e93000660ff521c43fd8b25c8a
Next block: 72ac135183c9ed297291bc508125887dfb955bb54d83f637e0f11483d77e5b72
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847265
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 28bb190a923f85968fe9d5c1b4817a7a5bfa3c450a65822d2a96750412e98e7c
Median time: 1743847264
Difficulty: 4.656542373906925e-10
Confirmations: 374
Chainwork: 00000000000000000000000000000000000000000000000000000000000011bc
Bits: 207fffff