Replace stub with full croissant.json (404 cases, full release wording)

croissant.json

@@ -48,13 +48,13 @@
     "transform": "cr:transform"
   },
   "@type": "sc:Dataset",
-  "name": "apple-pi",
-  "description": "Apple-Pi (Full): 247 simulation + 157 realworld physics cases for evaluating physics reasoning in image and video generation models.",
+  "name": "apple-pi-full",
+  "description": "Apple-Pi (Full): a physics benchmark of 404 cases (247 simulation + 157 realworld) for evaluating physics reasoning in image and video generation models. Each case provides a video clip (or rendered frames) with ground-truth annotations of physical parameters, instance segmentation, and per-frame velocity. Released for double-blind submission.",
   "conformsTo": "http://mlcommons.org/croissant/1.1",
   "license": "https://creativecommons.org/licenses/by-sa/4.0/",
   "url": "https://huggingface.co/datasets/AnonymousSubmitt/apple-pi-full",
   "version": "1.0.0",
-  "datePublished": "2026-05-06",
+  "datePublished": "2026-05-07",
   "citeAs": "@misc{anonymous2026applepi, title={Apple-Pi: Physics Infographics Benchmark}, author={Anonymous}, year={2026}}",
   "creator": {
     "@type": "Organization",
@@ -67,8 +67,8 @@
     "benchmark",
     "evaluation"
   ],
-  "rai:dataLimitations": "This subset is intended for evaluation only, not training. Synthetic cases are generated with NVIDIA Isaac Sim (rigid-body dynamics) and do not capture deformation or fluid dynamics. Realworld cases are short controlled clips with limited environmental diversity. Not recommended for safety-critical or clinical applications.",
-  "rai:dataBiases": "Task distribution is weighted toward common phenomena (projectile, freefall) and may under-represent rarer tasks (composition, multi-body collision). Synthetic cases use a fixed object/material library; realworld cases are recorded under controlled lighting. No demographic bias because no humans are present.",
+  "rai:dataLimitations": "Apple-Pi is intended for evaluation, not training. Synthetic cases are generated with NVIDIA Isaac Sim (rigid-body dynamics) and do not capture deformation or fluid dynamics. Realworld cases are short controlled clips with limited environmental diversity. Not recommended for safety-critical or clinical applications.",
+  "rai:dataBiases": "Task distribution covers nine simulation tasks and seven realworld categories with case counts measured per category; common phenomena (projectile, freefall) are more represented than rarer composition or multi-body collision cases. Synthetic cases use a curated 76-material library; realworld cases are recorded under controlled lighting. No demographic bias because no humans are present.",
   "rai:personalSensitiveInformation": "None. Synthetic cases contain no people; realworld videos do not show identifiable individuals.",
   "rai:dataUseCases": "Evaluating physics reasoning in image- and video-generation models across perception, comprehension, and generation tracks. Validated for zero-shot benchmark evaluation. Not validated for training, clinical decision-making, or robotic control.",
   "rai:dataSocialImpact": "Positive: provides a controlled benchmark to measure physics understanding gaps in current generation models. Risk: scores may be over-interpreted as general physics reasoning ability. Mitigation: released under CC BY-SA 4.0 with explicit research-evaluation framing; contains no humans or sensitive content.",
@@ -87,7 +87,7 @@
         "@id": "https://www.wikidata.org/wiki/Q4929239"
       },
       "prov:label": "Synthetic data generation",
-      "sc:description": "Simulation cases generated with NVIDIA Isaac Sim (rigid-body 3D physics simulator built on PhysX). For each scene we specified physical parameters (gravity, materials, initial velocities, friction, restitution), ran deterministic simulation, and rendered video frames at 24 fps along with per-frame instance segmentation, depth, mask, velocity, and density buffers. Ground-truth labels are computed directly from physics-engine state.",
+      "sc:description": "Simulation cases (247 total across 9 single-task families and 1 multi-task composition family) generated with NVIDIA Isaac Sim (rigid-body 3D physics simulator built on PhysX). For each scene we specified physical parameters (gravity, materials, initial velocities, friction, restitution), ran deterministic simulation, and rendered video frames at 24 fps along with per-frame instance segmentation, depth, mask, velocity, and density buffers. Ground-truth labels are computed directly from physics-engine state.",
       "prov:atTime": "2025/2026",
       "prov:wasAttributedTo": [
         {
@@ -103,7 +103,7 @@
         "@id": "https://www.wikidata.org/wiki/Q4929239"
       },
       "prov:label": "Realworld video recording",
-      "sc:description": "Realworld cases are short video clips (under 10 seconds) recorded under controlled laboratory conditions with calibrated camera setups. Each clip captures one physical phenomenon (free-fall, projectile motion, collision, etc.) with manually measured physical parameters.",
+      "sc:description": "Realworld cases (157 total across 7 physics categories) are short video clips (under 10 seconds) recorded under controlled laboratory conditions with calibrated camera setups. Each clip captures one physical phenomenon (free-fall, projectile motion, collision, etc.) with manually measured physical parameters.",
       "prov:atTime": "2025/2026",
       "prov:wasAttributedTo": [
         {
@@ -119,7 +119,7 @@
         "@id": "https://www.wikidata.org/wiki/Q4929239"
       },
       "prov:label": "Annotation",
-      "sc:description": "Synthetic cases: annotations are 100% programmatic (computed directly from Isaac Sim physics state). Realworld cases: physical parameters were human-labeled; segmentation masks and per-frame velocity references were computed via standard tracking pipelines and reviewed by annotators. Formula choices and correct-answer keys for the comprehension track were authored by domain experts.",
+      "sc:description": "Synthetic cases: annotations are 100% programmatic (computed directly from Isaac Sim physics state). Realworld cases: physical parameters were human-labeled using laboratory instruments (digital balance, digital caliper, frame-by-frame velocimetry); segmentation masks and per-frame velocity references were computed via standard tracking pipelines and reviewed by annotators. Formula choices and correct-answer keys for the comprehension track were authored by domain experts. Every case underwent a three-pass independent review (one primary annotator + two secondary reviewers) with disagreement resolution by a senior arbitrator backed by analytical physics where applicable.",
       "prov:atTime": "2025/2026",
       "prov:wasAttributedTo": [
         {
@@ -140,7 +140,7 @@
       "@type": "cr:FileObject",
       "@id": "repo",
       "name": "repo",
-      "description": "The Hugging Face git repository hosting the Apple-Pi dataset.",
+      "description": "The Hugging Face git repository hosting the full Apple-Pi dataset.",
       "contentUrl": "https://huggingface.co/datasets/AnonymousSubmitt/apple-pi-full",
       "encodingFormat": "git+https",
       "sha256": "https://github.com/mlcommons/croissant/issues/80"
@@ -149,10 +149,8 @@
       "@type": "cr:FileSet",
       "@id": "sim_subset",
       "name": "sim_subset",
-      "description": "Simulation cases. Each case is a folder containing rendered video frames, instance segmentation, depth, mask, velocity, and physics annotations.",
-      "containedIn": {
-        "@id": "repo"
-      },
+      "description": "Simulation cases (247 total). Each case is a folder containing rendered video frames, instance segmentation, depth, mask, velocity, density, and physics annotations.",
+      "containedIn": {"@id": "repo"},
       "encodingFormat": "application/octet-stream",
       "includes": "sim_subset/**/*"
     },
@@ -160,10 +158,8 @@
       "@type": "cr:FileSet",
       "@id": "realworld_subset",
       "name": "realworld_subset",
-      "description": "Realworld cases. Each case is a folder containing a video clip, instance segmentation, mask, velocity reference, and physics annotations.",
-      "containedIn": {
-        "@id": "repo"
-      },
+      "description": "Realworld cases (157 total). Each case is a folder containing a video clip, instance segmentation, mask, instantaneous velocity reference, and physics annotations.",
+      "containedIn": {"@id": "repo"},
       "encodingFormat": "application/octet-stream",
       "includes": "realworld_subset/**/*"
     }
@@ -216,4 +212,4 @@
       ]
     }
   ]
-}
+}