Illustrate dataset card with source-bound scientific figures

README.md

@@ -13,6 +13,10 @@ configs:
 ---
 # SpatialDataAgent-DB Public Catalog
 
+![SpatialDataAgent-DB overview with real H&E, GFAP, DAPI and CosMx previews](assets/dataset-card/v1/01-overview.png)
+
+*The selected source snapshot contains 12,163 samples and 635.24 million spatial observations. H&E and GFAP are paired views of GSM9721856; the expression panel shows all 3,416 recorded spots. DAPI and CosMx previews illustrate additional image modalities.*
+
 Search and inspect the metadata for 12,163 samples, 1,265 published study folders and 635,240,170 spatial observations in the fixed `sda-unified-20261010-v3` snapshot. It includes 8,211 samples with released tissue images.
 
 This repository contains metadata only. [Full sample data](https://huggingface.co/datasets/Biogod/SpatialDataAgent-DB) require manual access approval and are currently being uploaded. The metadata catalog's presence does not imply that the full upload is complete.
@@ -22,3 +26,15 @@ This repository contains metadata only. [Full sample data](https://huggingface.c
 Reported vocabulary and age units are not harmonized. Missing biological metadata and review states remain explicit. Counts capability, source verification, image registration and human review describe different checks. Observations are spots, cells, bins or beads, not independent donors.
 
 Source index SHA256: `909c4ec50e71c636eadc7bf01a9479fef1b4fd480ac348dfea6b785e566c7bed`. See the main Dataset Card for data organization, quality distinctions, splits, provenance and source-specific reuse terms.
+
+## Collection composition
+
+![All-sample platform counts, image availability, source collections and frozen splits](assets/dataset-card/v1/02-composition.png)
+
+*Platform counts, image availability, source collections and retained study-level splits use all 12,163 samples in the frozen source snapshot.*
+
+## Access and reuse
+
+![Public catalog, manual approval, full-sample download and analysis workflow](assets/dataset-card/v1/03-access-and-reuse.png)
+
+*Explore public metadata, request file access, retrieve selected samples and analyse them. Streaming training shards and the Python SDK are planned follow-up outputs.*

assets/dataset-card/v1/verification.json

@@ -0,0 +1,59 @@
+{
+  "source_release": "sda-unified-20261010-v3",
+  "checks": [
+    "Full frozen sample denominator: 12,163",
+    "Spatial observations: 635,240,170",
+    "Published study folders: 1,265",
+    "Platform groups: 12",
+    "Catalog is bound to the uploaded source snapshot",
+    "GFAP preview bound to catalog expression SHA256",
+    "GFAP example shows all 3,416 recorded spots",
+    "01-overview: text within canvas: []",
+    "Platform counts recomputed from all catalog rows",
+    "Image count recomputed from catalog",
+    "Source collection counts match catalog summary",
+    "Split counts match frozen source",
+    "02-composition: text within canvas: []",
+    "03-access-and-reuse: text within canvas: []"
+  ],
+  "products": [
+    {
+      "name": "01-overview.png",
+      "bytes": 1242150,
+      "sha256": "7d814965d5587c00dd3023740f3db52b0a838b0f11bc28c920c924e696b0b472"
+    },
+    {
+      "name": "01-overview.svg",
+      "bytes": 1523669,
+      "sha256": "1c509d4203f4a27d0f38598c375280824c1ed7e1b1eb3fb74c15a788838e1228"
+    },
+    {
+      "name": "02-composition.png",
+      "bytes": 192294,
+      "sha256": "a0114124982cd825ba0fb8531216368c123f11eed6356089c3f42c0ae342bdb9"
+    },
+    {
+      "name": "02-composition.svg",
+      "bytes": 17614,
+      "sha256": "51703ad2dabbab235e35a8d1f29634352dc126dbc36bd871a2391d2e3360e59d"
+    },
+    {
+      "name": "03-access-and-reuse.png",
+      "bytes": 171784,
+      "sha256": "0e29c777f21e1f8eceb594708dde74eaa49c6d1fe6fd7d43fac3f96d4f281324"
+    },
+    {
+      "name": "03-access-and-reuse.svg",
+      "bytes": 17128,
+      "sha256": "318d26d60889c3348a51f3f6928603d8be8936214fff7bde4e5750d7fbd2bb5d"
+    }
+  ],
+  "preview_samples": [
+    "GSM9721856",
+    "GSM9301054",
+    "GSM9372712"
+  ],
+  "generated_tissue_images": false,
+  "streaming_and_sdk": "planned",
+  "matplotlib_version": "3.11.2"
+}