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: 1078
Hash: 652a2cf5b55ef4521a37e6f19ccac280c27c5c819ce898855b4b3ede3d661a7b
Previous block: 0f94f7d4631ebe0f3535683b7bed70a5ea6b308f0c2422bd3bc4d4ee77f24092
Next block: 0044ded55a3c089633aa1332024ad81fbbb685c10e258dcec7f5bd53c7c47b51
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857848
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 225fc12f54b7b0e1f7f71e80f912b54c21d31dfdcaadbf455ecdeb9881ce9fd4
Median time: 1707857847
Difficulty: 4.656542373906925e-10
Confirmations: 1166
Chainwork: 000000000000000000000000000000000000000000000000000000000000086e
Bits: 207fffff