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: 1194
Hash: 6d3e6d7882f5cd9ece5c8c160717dbbb0b00837a41fc3eba8f34cff6e0ad0b49
Previous block: 78b89149b94e1986d7877d5f2f575a717d6baa7ff1a615e38007a61077fd09b4
Next block: 608038cb13071eeb9e2b409d51be6b8057ea69cba5aaa493772b558a74981d3d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857867
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e846d19280b13d07c786bfa9cdba80d2585ca8271ae9541e3498995643098937
Median time: 1707857867
Difficulty: 4.656542373906925e-10
Confirmations: 1050
Chainwork: 0000000000000000000000000000000000000000000000000000000000000956
Bits: 207fffff