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: 2475
Hash: 707ec5e22a051ffb64e13f8312f8ab2a1a528d7056411f5ea5e3fd4877509f4d
Previous block: 6256d069fd26bbd75a23c36198d3f886c0290f79c78337264fb460a9760eb19f
Next block: 2d08868a118656b93c08c7948d34a352c77aad55c4962f1d262ab95b17ed1c0d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847299
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: b452afb2e2f1641ef1cbd6763a6e75f9e42f6a66a255f15873b4eba0dcfcd9f5
Median time: 1743847298
Difficulty: 4.656542373906925e-10
Confirmations: 168
Chainwork: 0000000000000000000000000000000000000000000000000000000000001358
Bits: 207fffff