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: 986
Hash: 0528f8bdb2d738fd40b2272bf78c5754ccd727eba7f4083cf67f58d916fd2e01
Previous block: 4b50839e89c2d57647c390da71bbd9621e8f709d602eb5c3e5f82c2a019b8f8c
Next block: 59f0b9453badeec2737a196eb7a54e00dc29bbab2b6a1f4d5d99881454d58c9f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857833
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 7ee383fe662eb9628aa47809c75a2329abb4b5f7ce9f58185689a53e8df10f2f
Median time: 1707857832
Difficulty: 4.656542373906925e-10
Confirmations: 1258
Chainwork: 00000000000000000000000000000000000000000000000000000000000007b6
Bits: 207fffff