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: 2362
Hash: 61fa152f19d73bfde90b98fd7b74812c5c008a605b4074feecb097db938de6bd
Previous block: 3e148477d767ccfb186e59b3c1a147e83c11b910df986ff9b7103da24584cde5
Next block: 5f5de1ce4982248eb3a43e039aafcb96535fd538515295ddc04bcd384bccfece
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847280
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: ada7559f9567b4bd9d483245be12c87d7abc7e6a966f7ad86a4ac41dfecdc6a5
Median time: 1743847279
Difficulty: 4.656542373906925e-10
Confirmations: 281
Chainwork: 0000000000000000000000000000000000000000000000000000000000001276
Bits: 207fffff