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: 160
Hash: 466dc2b1448b1b410f138f7204fe57d1764e61d4d2c498e591b6cfdd87be5466
Previous block: 1b404f970b1c1a1b2d4df9ca5fcc11166544ab5de1ed1b8847c5832b0ecaa95f
Next block: 368b8afa089b0c27f4c6b6490fe149a9fa8386b93fd97bc64aaaaadfe2444c4b
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597894
Stripped size: 218
Size: 218
Nonce: 2
Merkle root: 2a3a005dffde8d65aa4a39546bcdd549793201978299494b5ca62ccc1cf032ca
Median time: 1701597893
Difficulty: 4.656542373906925e-10
Confirmations: 2084
Chainwork: 0000000000000000000000000000000000000000000000000000000000000142
Bits: 207fffff