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: 2279
Hash: 7485b0d5be12b23a5953c534b30031f56ad2fded667fe46b1f642d2b8be21c8d
Previous block: 1f89e85718420b65c6c4064d1bf7a65498b0ef6748073fe288915d66f5f03837
Next block: 3333498396396b00833cef1aaaeef903992144a13d9c00ffe2720223a070fc94
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847266
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 72c767a8ef78c642473625e7007a982bd6ddeb2b61687c075b96529f42d4c2ed
Median time: 1743847266
Difficulty: 4.656542373906925e-10
Confirmations: 364
Chainwork: 00000000000000000000000000000000000000000000000000000000000011d0
Bits: 207fffff