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: 1477
Hash: 48c2cc8f549b55c44ba7e99e84a26fedf7c7601ebb2ca9032bd5a58881aff56a
Previous block: 7332226a58ed23d672063790c0b2d500dcf0e5bae837acdf65f4387f381da260
Next block: 1bc3759286546bc4cdc26a151e4311ca89c0c9b0c1c9fb682dd1162bd1d6151b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697654
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 1d92241e1641df5630d203bc6b75a894a15fc11a65b2bf569a9a60bbffdac51e
Median time: 1718697653
Difficulty: 4.656542373906925e-10
Confirmations: 767
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b8c
Bits: 207fffff