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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 2327
Hash: 50d31ec1602a1e50c6589d82ac123f3a56a1f4f30dee169ea44669f4d7534d62
Previous block: 53d7df73e12ce466763a3b66b7c98fe835e937d32bb0f0b9c6d4f61a83426b63
Next block: 2d1fee3075539ccc2971d2acce2485910e4ab2e3d1781240aee00cb2cf9e7080
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847274
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 65acd4ffd69a292756fe2889e27a6142f2fadbf0846a6d493115fb75bf961eef
Median time: 1743847274
Difficulty: 4.656542373906925e-10
Confirmations: 316
Chainwork: 0000000000000000000000000000000000000000000000000000000000001230
Bits: 207fffff