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: 1548
Hash: 17d8d3839b6433d67cd6f757e217651e07ab20a0429a81d3b8e8508ddb487362
Previous block: 72d086848ec934b1ae8c1c973aa6285dc23987e50fb0b54c87b0cabf3d41ca77
Next block: 6c9f85739ac36fa8a85b89b85b434ad68b1ffa648091443cc4857cfa13b65b90
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697665
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3e6c884ac84221de37f60ce070d19982ca45f48c86fac3a8628a49b6f8dc8584
Median time: 1718697665
Difficulty: 4.656542373906925e-10
Confirmations: 696
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c1a
Bits: 207fffff