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: 954
Hash: 3dc1b5a67e55de91d67dcf9922003ccbb210946bd29253fe07278781a1ceeb3e
Previous block: 5f2753af535e61aa3b88b3abb66adfbeda63c47c7dd19f6cde72b52522850ad5
Next block: 2284f77f128f8776f171c708d8f6ce68de35e9f16243dedeea4e045829495c65
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857827
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a63ce03fea43176f4efa84bd95a2c9b67dbd13b26b5a50fdae59f7ce6b064a65
Median time: 1707857827
Difficulty: 4.656542373906925e-10
Confirmations: 1290
Chainwork: 0000000000000000000000000000000000000000000000000000000000000776
Bits: 207fffff