diff --git a/hubzilla/addon/dsc01/contracts/record-v1.json b/hubzilla/addon/dsc01/contracts/record-v1.json
new file mode 100644
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+++ b/hubzilla/addon/dsc01/contracts/record-v1.json
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+{
+  "_meta": {
+    "contract": "dsc01-record",
+    "version": "1.0",
+    "purpose": "DSC Categories record for one participant in one association. Mutable — overwritten on every submission. Storage key is participant_id (Placekey), not a unique record ID."
+  },
+  "_header": {
+    "addon": "dsc01",
+    "association_slug": "The association this record belongs to.",
+    "association_channel_id": "Hubzilla channel ID of the association, as a string.",
+    "participant_id": "The participant's Placekey. This is the storage key — institutional memory tied to the address, not the person.",
+    "submitted_at": "ISO 8601 timestamp of this submission.",
+    "standing": "public, participant, professional, or operator — access state at time of submission.",
+    "node_token_hash": "SHA-256 of the node token — not the token itself."
+  },
+  "_payload": {
+    "fields": "Keyed object of all ten DSC Category field values (checklist selections and narrative). Keys match the field IDs defined in dsc01's diagnostic-categories schema files. Not independently validated by the orchestrator — validation already happened on the Hubzilla side."
+  }
+}