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: 1103
Hash: 7207add492a6459035f080c6a7b4107623f2b9858e26524cbb25aeaf07be5201
Previous block: 21b0b0f485d0cc054c8221f6793b2efb37ca71094f91653e4e4462883b37c69c
Next block: 4c2f5542ff4cb67ac6d440128923b99004936e97e0e9c9f88bc47a018fc0de89
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857852
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 8a03fda55677b93921dd305e192845beb50791d493a7f44733285a2d2bfd9a0b
Median time: 1707857851
Difficulty: 4.656542373906925e-10
Confirmations: 1141
Chainwork: 00000000000000000000000000000000000000000000000000000000000008a0
Bits: 207fffff