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: 2270
Hash: 72ac135183c9ed297291bc508125887dfb955bb54d83f637e0f11483d77e5b72
Previous block: 07b9f6ea2ba285e2b06ae3ed13d5cac78dfcc6738e499abf04367c27dfd037cb
Next block: 689fe4b84ee035144df809022b892bdd4e30e23e1eeda5203817af24814ab221
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847265
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2b40b187f7590cf27626c82d1a2acd2e7474c1187ced0469dced50c16e3008c6
Median time: 1743847264
Difficulty: 4.656542373906925e-10
Confirmations: 373
Chainwork: 00000000000000000000000000000000000000000000000000000000000011be
Bits: 207fffff