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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1073
Hash: 59bae5908bfcd86ab273d126c09218b047f4b2d3d7450d52782b70ecfb2a6089
Previous block: 1c104c7d632b0d21fb4e1ba8cf3a1bfe38c86acc40fed428e6980b4a78843f69
Next block: 2e59699d6e5c04fdce713b2b496c5722e007b843897fb63e9195bbdb0d94faa0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857847
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2f391f71df682f6912a36d020a4a86515a1dacbc29878504d1ceefee9a50308f
Median time: 1707857846
Difficulty: 4.656542373906925e-10
Confirmations: 1171
Chainwork: 0000000000000000000000000000000000000000000000000000000000000864
Bits: 207fffff