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: 433
Hash: 4335558b07eea0bf52b9dbabe9538664dd900284d7096518caef622abfab290c
Previous block: 555c6f7f57935f43a459b9b99d8627b937af948906dd8a193708836bce9f1ac9
Next block: 2df6e21151a6ead356b25ad21696b9d2378087ca35978004ee894ab592a8a25a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864216
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: bd8e6ca1f4d4bbb2eba97786e2a320c7c08cc08e6f2c0e4c6273da5705e788be
Median time: 1701864215
Difficulty: 4.656542373906925e-10
Confirmations: 1811
Chainwork: 0000000000000000000000000000000000000000000000000000000000000364
Bits: 207fffff