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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1827
Hash: 400f27d00b86d165ee68fe4f3b373839eb5784fb2c963052911ced5e43d45b0f
Previous block: 2b7052ff74d0df3d20326069a277ab93d9ba50d3f09b3058e9fd157aefc58bbc
Next block: 4abcc73583f2fd812c63e4b84f60d150bc694a9b8e3a683dcb614e26462d0729
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159228
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a92b554f81b4af3a729c50e6d5d75eec1301eee1087e838038fce90cbdc9653e
Median time: 1719159227
Difficulty: 4.656542373906925e-10
Confirmations: 417
Chainwork: 0000000000000000000000000000000000000000000000000000000000000e48
Bits: 207fffff