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If this is off topic, please change it to world-building.

Is it possible to make a low cost heliography telescope, which is not digital, and which can be used to generate an worldwide numerical fingerprint using sun spot positions as a mathematical code?

Every city in the world would have the same heliograph. Nearly all the sunlit heliographs of the world would agree what the sunspot fingerprint code is. The sun generated code would then decide who's turn it is to record financial verification tasks, government accounts, and other corruption issues.

Would other cosmic signals be more practical to graph and suited to that end?

Does the sun change too slowly to be useful for generate a daily random code? what about weekly?

Do you have any tips of how to design a simple analogue heliograph that converts sunspots into random numerical code, (i.e. to make a crypto currency called Sun-Peso/ to decide an olympic host country)?

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    $\begingroup$ I'm voting to close this question as off-topic because it's a Worldbuilding SE question IMO. And "is it possible" tends to generate answers which are on the lines of "sure, if you've insane amounts of ..." rather than useful ones. $\endgroup$ – StephenG Oct 19 '17 at 16:45
  • $\begingroup$ What do you mean by a telescope which is not digital? $\endgroup$ – zephyr Oct 19 '17 at 17:24
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    $\begingroup$ Sun spots probably aren't random enough. $\endgroup$ – A. C. A. C. Oct 19 '17 at 20:20
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    $\begingroup$ Not only is this not about astronomy, it would not be at all useful for generating random numbers for this application. $\endgroup$ – Rory Alsop Oct 20 '17 at 8:50
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    $\begingroup$ I have already developed a novel technique for the generation of random number seeds from high cadence, high resolution images taken by the cameras on the Solar Dynamics Observatory's Atmospheric Imaging Assembly. Perhaps this is what you need? github.com/flybd5/heliorandom $\endgroup$ – Juan Jimenez Sep 19 at 22:21

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