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: 896
Hash: 5b71566895c1fc8a3b1a2b278cc35553300009dbfc690a931386eef2aa48305b
Previous block: 5bb0e86c1ab5bb10e70c064dc7e59b00abe807ac90bcb84feb22b81a5d8a66c3
Next block: 4147c18ed8f4a52890ca8d9305c77823f6a0211dd471582791e4ec9759293fcd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857818
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e856a56715c6f2b241867f5c457f75512f8c5e444024f719b2e345d7c1e4c390
Median time: 1707857817
Difficulty: 4.656542373906925e-10
Confirmations: 1348
Chainwork: 0000000000000000000000000000000000000000000000000000000000000702
Bits: 207fffff