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: 2363
Hash: 5f5de1ce4982248eb3a43e039aafcb96535fd538515295ddc04bcd384bccfece
Previous block: 61fa152f19d73bfde90b98fd7b74812c5c008a605b4074feecb097db938de6bd
Next block: 40e7dc8ee632710127a2b92faed22c097a1fa577b389f0e14d1e89b253957420
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847280
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 66569abd9e3d6ad3b67ee0b1659b4dbc4c39e234ab74a455e443d32aecb6a77d
Median time: 1743847280
Difficulty: 4.656542373906925e-10
Confirmations: 280
Chainwork: 0000000000000000000000000000000000000000000000000000000000001278
Bits: 207fffff