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: 2380
Hash: 56eac48de5bfbbf08ca571e399545d06b363c8bdf8484ba34b17275faadcbee0
Previous block: 473c21d49bfd3b8c1de7cbd09b6439627182ed941b6c027d737cd1432fed57ba
Next block: 22a80a99b5e745fc54e3953d01419eaf421898751903423750f0b8979c00b33e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847283
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: f875d125348bdb2efe85dd2017f089bf4e27caffb8a4acfd95a09e9a72822cd4
Median time: 1743847282
Difficulty: 4.656542373906925e-10
Confirmations: 263
Chainwork: 000000000000000000000000000000000000000000000000000000000000129a
Bits: 207fffff