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: 2309
Hash: 60bbada8155fe570098b0a7e4dc883804f453fcd242e421fc1c2a6334955ce1f
Previous block: 28717eb1416af71ae139cb3757635540b4cbaec8cf6e969f25ef26e17e8fd2ab
Next block: 3c737308be68b979baf4ebb147d04512d9f67b656515de3123859ed9db608ebe
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847271
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2e939fdbcd96046a753ab55d27f35437da046f6630e652041204466767bcea71
Median time: 1743847271
Difficulty: 4.656542373906925e-10
Confirmations: 334
Chainwork: 000000000000000000000000000000000000000000000000000000000000120c
Bits: 207fffff