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: 940
Hash: 66bde04d5f69da4b6c0c3f685bc856247a917a6dbde97d0bebad114a457b0b6b
Previous block: 14a7aaa8f537d95f10d32456bfce9831598a5a9d9987a59868522697756ac904
Next block: 00328c7fb361093f5723a72a0236ef8d8dc68cffecfd6a67c2b58354beadc480
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857825
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 77c162b0879861e8616ea117021a4cddccbf6cefbaf51bd6db879d6dabdd0a75
Median time: 1707857824
Difficulty: 4.656542373906925e-10
Confirmations: 1304
Chainwork: 000000000000000000000000000000000000000000000000000000000000075a
Bits: 207fffff