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: 1876
Hash: 7cab6c7b1210b4f28d07977b8ab87c4db6d527ca47008c337bb47b3115f3522d
Previous block: 0a8e053a7960899ad45d3eadd6cc1af4c7673eecf3e4597cd03fec14ce302c65
Next block: 0756f92097cf53fb85a1d1c384caeb4f2fdbdc7385fc4b8a96de43ece2e4f73b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159236
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ad256203410fb39a84492e0a2384db1df5b63d0bd3d388eba4a352d98eda9ba1
Median time: 1719159235
Difficulty: 4.656542373906925e-10
Confirmations: 368
Chainwork: 0000000000000000000000000000000000000000000000000000000000000eaa
Bits: 207fffff