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: 470
Hash: 32de3230243f89305d28b886f083c576e9c3b99d99512e1f36abf140b6b51d48
Previous block: 21a98e49df537448208c0786d5d28d66ff9453c103f7898c53212f9f32628d8b
Next block: 637104cca9d928f919a4ff2d4b457a37f91758ce4a0f20707def5497e1e5e1b2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864222
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 855cf3fe6e5b378061ad6cdebceabfa38599a6728a5df214810a0983d95d3ff2
Median time: 1701864221
Difficulty: 4.656542373906925e-10
Confirmations: 1774
Chainwork: 00000000000000000000000000000000000000000000000000000000000003ae
Bits: 207fffff