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: 987
Hash: 59f0b9453badeec2737a196eb7a54e00dc29bbab2b6a1f4d5d99881454d58c9f
Previous block: 0528f8bdb2d738fd40b2272bf78c5754ccd727eba7f4083cf67f58d916fd2e01
Next block: 5abde1c5b3109c731352753921dfa32522f714fac6a2ee6c209faf36e8a28548
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857833
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: bd9c5d77ad26a292a0a135b19dfc736787a4befcb14d2b9976ccb92201d546bb
Median time: 1707857832
Difficulty: 4.656542373906925e-10
Confirmations: 1257
Chainwork: 00000000000000000000000000000000000000000000000000000000000007b8
Bits: 207fffff