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: 983
Hash: 65cff976d71a39827c4937ee511e643bc2d4364f9d1e8ae8c6adda674f7991d0
Previous block: 354a4e57696da9f8994ae07c8cc5ac4d34f55be1e992c14a2572479778edde0d
Next block: 16399d17c5e3d6108abde838093e801f86b41f9b55b563f7443da6eb6fc560a5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857832
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c0fc94ad91faea5bbfbba6d6eed579f22c10ab0bbe430c88be3d891704802d13
Median time: 1707857831
Difficulty: 4.656542373906925e-10
Confirmations: 1261
Chainwork: 00000000000000000000000000000000000000000000000000000000000007b0
Bits: 207fffff