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: 943
Hash: 464bc14e5c783aa4cefc28f6b80e8b1a6b865304f8473e55b80e2e06c59d36f6
Previous block: 18a5d20d5324b51f25aae8d4d52b014f8af436297b8e141bc815687ace7084c3
Next block: 48d4d613c414369cc7e71effbb85827b9cfdd0f88b51228343b439ef3c650a76
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857826
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: ab21e448424c2aa610d543b7c2425434acf398619cee38b4c374e54369844f93
Median time: 1707857825
Difficulty: 4.656542373906925e-10
Confirmations: 1301
Chainwork: 0000000000000000000000000000000000000000000000000000000000000760
Bits: 207fffff