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: 649
Hash: 112c8eb24299d914ce9fb01f9f6cd2307fd01f5a08ab35f75c8e4ea31104f1f4
Previous block: 3ff423bd622ffa98b4be5f4e3741ea0c1f0badaaf9016df7f49938ef97e9be1a
Next block: 341051dac9d96e81796349d4faf70efee1611bf7f5beb599c5a9ee823e3104a4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864252
Stripped size: 218
Size: 254
Nonce: 7
Merkle root: b7ca17d9eb06381aea0b248f6dae24b6c89524ddc8e1d81c305e3d317a10c834
Median time: 1701864251
Difficulty: 4.656542373906925e-10
Confirmations: 1595
Chainwork: 0000000000000000000000000000000000000000000000000000000000000514
Bits: 207fffff