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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 782
Hash: 153a4ecbedbca904e8dd9eaf7a1d7cbeff696ca2c12913c974978c55ada6e524
Previous block: 1fb27538b26d8a647bec1ba7774613a56f8da47bc7e4c44771b13ec630235a15
Next block: 11d937c49878903d2b86ba3b5b5e99d279a1f484d05321034224d929a5e3b4aa
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864274
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 97830372969ff2bd61c5f8f0bd7cefe9da01076c87c1f09303913e5dbe0f4ef2
Median time: 1701864273
Difficulty: 4.656542373906925e-10
Confirmations: 1462
Chainwork: 000000000000000000000000000000000000000000000000000000000000061e
Bits: 207fffff