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: 944
Hash: 48d4d613c414369cc7e71effbb85827b9cfdd0f88b51228343b439ef3c650a76
Previous block: 464bc14e5c783aa4cefc28f6b80e8b1a6b865304f8473e55b80e2e06c59d36f6
Next block: 4144c2dd3f1b67333b1d3f0bfe40aefad252c7f05392133375bed97a3b0eaa8f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857826
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: a65042ccbee3e26224db79fd8b888f9df6b6629865a114f959183535b24393f6
Median time: 1707857825
Difficulty: 4.656542373906925e-10
Confirmations: 1300
Chainwork: 0000000000000000000000000000000000000000000000000000000000000762
Bits: 207fffff