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: 2388
Hash: 61d61fc0523d72e6c614feb251d90c4346e055c2596f45dec4f0796137427f6b
Previous block: 0e17d8afeae209306ee4698a373099e27340b81b70f56dd530208259dc77d318
Next block: 6eb377a5816dae51b365400d71c9f9cecdb061aab7d827a96aaeffaae63f33e4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847285
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 103a8505ca1edd7cf86eb706f0bd23d17e256b82ae6b51e1d04055a9159cbe04
Median time: 1743847284
Difficulty: 4.656542373906925e-10
Confirmations: 255
Chainwork: 00000000000000000000000000000000000000000000000000000000000012aa
Bits: 207fffff