{"product_id":"vitni","title":"Vitni","description":"\u003ch2\u003eThe workhorse rung.\u003c\/h2\u003e\n\u003cp\u003eNorse for \u003cem\u003ewitness\u003c\/em\u003e. Firmware locked in silicon rather than open, so a record can’t be repudiated by pointing at replaceable software.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSTM32U585 + ATECC608B secure element\u003c\/li\u003e\n\u003cli\u003eFirmware locked — not user-replaceable\u003c\/li\u003e\n\u003cli\u003eBuilt for a hardware-rooted device identity on the rail\u003c\/li\u003e\n\u003cli\u003ePotted in clear resin; serialized\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRead before buying — Rev 1\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe shipping revision is Rev 1.\u003c\/strong\u003e Its silkscreen labels the button as a press gate, and on this revision the copper does not enforce one — \u003cstrong\u003ethe button is not a signing gate on Rev 1\u003c\/strong\u003e. If you need an enforced press gate, that is \u003ca href=\"https:\/\/shop.zknot.io\/products\/vitni-plus\"\u003eVitni Plus\u003c\/a\u003e. Repaired forward in Rev 2.\u003c\/p\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eShipping now\u003c\/strong\u003e, Rev 1, in small runs.\u003c\/p\u003e\n\u003ch2\u003eTry one before you buy one\u003c\/h2\u003e\n\u003cp\u003eEvery attestation device signs a challenge and the record is checked in your browser at \u003ca href=\"https:\/\/verifyknot.io\/start\" rel=\"noopener noreferrer\" target=\"_blank\"\u003everifyknot.io\/start\u003c\/a\u003e — no account, no login. The verdict is computed from the record itself, not handed down by our server.\u003c\/p\u003e\n\u003ch2\u003eWhat it does not do\u003c\/h2\u003e\n\u003cp\u003eA signature proves that a specific key signed specific bytes. On its own it does not prove who held the key, that a person was present, or that the contents are true. Each rung of the line adds one of those, and we say which. The timestamp on a record is ours, not an outside authority’s. Tamper-evident, not tamper-proof.\u003c\/p\u003e\n\u003cp\u003eHand-built in small runs in Utah · veteran-owned (SDVOSB) · US shipping with tracking · \u003ca href=\"https:\/\/zknot.io\/returns\" rel=\"noopener noreferrer\" target=\"_blank\"\u003ereturns\u003c\/a\u003e\u003c\/p\u003e","brand":"ZKNOT","offers":[{"title":"Default Title","offer_id":53923530244207,"sku":"VT-1","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0492\/7599\/files\/powerverify-6084590.jpg?v=1789879987","url":"https:\/\/shop.zknot.io\/products\/vitni","provider":"ZKNOT","version":"1.0","type":"link"}