Add Market Standard organization card

README.md

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-title: README
-emoji: 🏢
-colorFrom: purple
-colorTo: blue
-sdk: static
-pinned: false
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-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+---
+title: README
+emoji: 👁
+colorFrom: gray
+colorTo: indigo
+sdk: static
+pinned: false
+---
+
+<div class="grid lg:grid-cols-3 gap-x-4 gap-y-7">
+	<p class="lg:col-span-3">
+		<strong>Market Standard</strong> builds open, auditable infrastructure for
+		AI-text attribution. Our flagship open-source release is
+		<a href="https://github.com/marketstandard/Panoptes" class="underline">Panoptes</a>:
+		a preregistered, calibrated-evidence system that estimates <em>how much</em> of a
+		document is AI-authored &mdash; with valid uncertainty &mdash; and measures how that
+		evidence <em>transports</em> across generators, domains, paraphrases, and
+		adversarial attacks.
+	</p>
+
+	<a href="https://huggingface.co/MarketStandard/panoptes-neural-v1" class="block overflow-hidden group">
+		<div class="w-full h-40 rounded-lg flex flex-col items-center justify-center bg-gradient-to-b from-slate-900 to-indigo-950 text-white px-4 text-center">
+			<div class="text-3xl mb-2">&#128065;</div>
+			<div class="font-semibold">panoptes-neural-v1</div>
+			<div class="text-xs text-slate-300 mt-1">frozen three-seed hierarchical ensemble</div>
+		</div>
+		<div class="underline">Open-weights neural detector</div>
+	</a>
+
+	<a href="https://github.com/marketstandard/Panoptes" class="block overflow-hidden group">
+		<div class="w-full h-40 rounded-lg flex flex-col items-center justify-center bg-gray-900 text-white px-4 text-center">
+			<div class="text-3xl mb-2">&#9878;</div>
+			<div class="font-semibold">Panoptes</div>
+			<div class="text-xs text-gray-300 mt-1">evidence, not verdicts</div>
+		</div>
+		<div class="underline">Source, protocol &amp; benchmark</div>
+	</a>
+
+	<a href="https://github.com/marketstandard/Panoptes#readme" class="block overflow-hidden group">
+		<div class="w-full h-40 rounded-lg flex flex-col items-center justify-center bg-gradient-to-b from-indigo-50 to-white border border-gray-200 text-gray-900 px-4 text-center">
+			<div class="text-3xl mb-2">&#128196;</div>
+			<div class="font-semibold">Research paper v2.1</div>
+			<div class="text-xs text-gray-600 mt-1">calibrated evidence &amp; distribution-shift analysis</div>
+		</div>
+		<div class="underline">Read the paper</div>
+	</a>
+
+	<div class="lg:col-span-3">
+		<p class="mb-3 font-semibold">What Panoptes gives the community</p>
+		<ul class="list-disc pl-5 space-y-1 text-sm text-gray-800">
+			<li>A <strong>participation estimate</strong> (0&ndash;100% AI-authored) with split-conformal coverage &mdash; not a binary AI/human verdict.</li>
+			<li>A frozen, preregistered <strong>neural detector</strong> (DeBERTa-v3 base, three-seed mean with a learned hierarchical summary head) released with verified weights.</li>
+			<li>An <strong>evidence-transportability</strong> harness: cross-dataset leave-one-out and calibration-transfer matrices across MAGE, RAID, DeFactify, CoAuthor, M4GT, and EvoBench.</li>
+			<li>A license-audited <strong>dataset registry</strong> and split manifest so others can extend the corpus.</li>
+		</ul>
+		<p class="mt-3 text-sm text-gray-600">
+			Everything is preregistered, hash-locked, and reproducible. Weights, signed cards, and the benchmark are open.
+		</p>
+	</div>
+</div>