I am awake and at keyboard when you are asleep or at work; you are asleep or awake when I am a keyboard.
This makes selling a wormhole difficult; but not impossible. My apologies to those that have mailed or whispered me.
So; you want to buy a wormhole but don't trust me without seeing it; I want to sell a wormhole but don't trust you to pay once you know where the entrance is. Mmmm.
I can put up a bookmark to the entrance on a contract.
If I was a buyer; what would I like to see? There is a saying in MMO's: Screenshot or it didn't happen.
I can 'prove' (photoshop skills not withstanding) that I have been in the wormhole and have a fresh entrance; and provide a date/time. (click for a larger picture)
I can show that I have scouted for control towers off the various planets.
I can claim that I am showing force fields but not moons on the above; but can't prove the order of screen shots. I can fly to the control towers and show no force field. (again click to expand)
|Tower on VIII|
|Tower on VI|
(And also get better at using dscan in doing so)
I can offer some independent information about the wormhole http://www.staticmapper.com/index.php?system=J151311 ; showing there are only 8 planets.
I can put the bookmark in a contract in a nearby highsec system. Not the same system; you might scan down the WH entrance directly from that; and that would be bad. Not too far away; that would be annoying for the purchaser.
I can state that bookmark I am offering on contract is for this wormhole.
I can offer a public guarantee that if the bookmark goes stale; I can provide 1 more bookmark to an entrance. This guarantee is limited to a refund of the sale price (I might get ganked).
I can spend way too much time doing this.
Edit: for serious buyers that can get a reliable (and online at downtime broker), please in game mail DoToo Foo.