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: 953
Hash: 5f2753af535e61aa3b88b3abb66adfbeda63c47c7dd19f6cde72b52522850ad5
Previous block: 7e386a7486c4fa302cc46ce51d35adeb09f69d4c5b6ebe44119145557060dc34
Next block: 3dc1b5a67e55de91d67dcf9922003ccbb210946bd29253fe07278781a1ceeb3e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857827
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: ef717dec8adda31fe900cbde267013eff8a7ed37b59ba1c120ef0f808964f31c
Median time: 1707857826
Difficulty: 4.656542373906925e-10
Confirmations: 1291
Chainwork: 0000000000000000000000000000000000000000000000000000000000000774
Bits: 207fffff