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: 1517
Hash: 6d6bd5805ea1be23f630106c4d53fe08cf9faa805ab5d52a36b20dee64ac327f
Previous block: 2cc4dfef683a94223364932b64ec1686f9434068e1b53cdcf4bde8ed22b6b811
Next block: 3778c00137d7b8cefc73ad4ab344ecb922109676b8a271becbd18a8998a0a172
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697660
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 202e73d4d72ff29fac39de1684b102c9ae81f26896d84e7c4a4ba2a7252f8f45
Median time: 1718697659
Difficulty: 4.656542373906925e-10
Confirmations: 727
Chainwork: 0000000000000000000000000000000000000000000000000000000000000bdc
Bits: 207fffff