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: 2461
Hash: 72d640e10b7cc74f3825da5fc4c98dbba1f505d6e91ac5da0481d961da74be8c
Previous block: 465b6bec25549af48b5eb0d7c9d2cf0aa78ec8d1e17eeda2617d1f751de84a47
Next block: 3816bdc95b21e724b94028d54ea3559ce0372afe914dc1d357eb4b5f7b09f0d2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847297
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 535ce08379e4879a47a75fe19063467246db29b1c4ce2a6269f69c9bbe5977ac
Median time: 1743847296
Difficulty: 4.656542373906925e-10
Confirmations: 182
Chainwork: 000000000000000000000000000000000000000000000000000000000000133c
Bits: 207fffff