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: 2301
Hash: 503375f61c5c462364cb6eb017872ca7b8afd591cc155dfabf17117c01f433a0
Previous block: 403a1bf90f198201c4dacb7ab7f0f163d224744e826d4bcf7d1ae279d4f080b6
Next block: 1f8c3ad57eb9c0555c08fbae7b9a165f53f504baf1ddbf848bc3b8202544486c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847270
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c56454769d90236e5b3dd60b1e247c722ab8390d6cd65b6ca648bc4e051536d5
Median time: 1743847269
Difficulty: 4.656542373906925e-10
Confirmations: 342
Chainwork: 00000000000000000000000000000000000000000000000000000000000011fc
Bits: 207fffff