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: 1057
Hash: 4317ac3a8ef3332c99ee046f6181fdfb37a02464a12bba470ec36255afe18c11
Previous block: 79a358c3ceceef08d0f3a0f471d250440c3c02cfcb49e6f2a61c988b38a9bc79
Next block: 60e3e0946f31562ac47763316d55f10345f67a8d9f5c8b2ac6cefe918015897a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857845
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3026dcb84f00fc6ae84251ea63a45237fe9b87b48b9cd265ccf3f113b4690a29
Median time: 1707857844
Difficulty: 4.656542373906925e-10
Confirmations: 1187
Chainwork: 0000000000000000000000000000000000000000000000000000000000000844
Bits: 207fffff