diff --git a/mods/nc_api_craft/craft_check.lua b/mods/nc_api_craft/craft_check.lua
index e2d7bc64..7d0cc4b7 100644
--- a/mods/nc_api_craft/craft_check.lua
+++ b/mods/nc_api_craft/craft_check.lua
@@ -125,13 +125,14 @@ local function craftcheck(recipe, pos, node, data, xx, xz, zx, zz)
 	if recipe.after then recipe.after(pos, data) end
 	if data.after then data.after(pos, data) end
 	nodecore.player_discover(data.crafter, "craft:" .. recipe.label)
-	if recipe.witness then
+	local witness = data.witness or recipe.witness
+	if witness then
 		local lut = {}
 		for _, v in pairs(recipe.nodes) do
 			lut[minetest.hash_node_position(v)] = true
 		end
-		nodecore.witness(pos, {recipe.action, recipe.label},
-			type(recipe.witness) == "number" and recipe.witness or nil,
+		nodecore.witness(pos, {recipe.action, recipe.label, data.label},
+			type(witness) == "number" and witness or nil,
 			function(p) return lut[minetest.hash_node_position(p)] end
 		)
 	end
diff --git a/mods/nc_api_craft/item_place_node.lua b/mods/nc_api_craft/item_place_node.lua
index deceeb1a..c44512b1 100644
--- a/mods/nc_api_craft/item_place_node.lua
+++ b/mods/nc_api_craft/item_place_node.lua
@@ -8,11 +8,11 @@ function minetest.item_place_node(itemstack, placer, pointed_thing, ...)
 	local old_add = minetest.add_node
 	minetest.add_node = function(pos, node, ...)
 		local function helper2(...)
-			nodecore.craft_check(pos, node, {
-					action = "place",
-					crafter = placer,
-					pointed = pointed_thing
-				})
+			nodecore.craft_check(pos, node, nodecore.underride({
+						action = "place",
+						crafter = placer,
+						pointed = pointed_thing
+					}, pointed_thing.craftdata or {}))
 			return ...
 		end
 		return helper2(old_add(pos, node, ...))
diff --git a/mods/nc_api_hints/witness.lua b/mods/nc_api_hints/witness.lua
index bedbd3d2..e75b7bc2 100644
--- a/mods/nc_api_hints/witness.lua
+++ b/mods/nc_api_hints/witness.lua
@@ -1,8 +1,8 @@
 -- LUALOCALS < ---------------------------------------------------------
-local math, minetest, nodecore, pairs, type, vector
-    = math, minetest, nodecore, pairs, type, vector
-local math_pi
-    = math.pi
+local math, minetest, nodecore, pairs, string, type, vector
+    = math, minetest, nodecore, pairs, string, type, vector
+local math_pi, string_format, string_gsub
+    = math.pi, string.format, string.gsub
 -- LUALOCALS > ---------------------------------------------------------
 
 local function playercheck(player, pos, maxdist, check)
@@ -35,10 +35,16 @@ local function playercheck(player, pos, maxdist, check)
 end
 
 function nodecore.witness(pos, label, maxdist, check)
+	maxdist = maxdist or 16
+	nodecore.log("action", string_format("witness %s at %s range %d",
+			string_gsub(minetest.serialize(label), "^return ", ""),
+			minetest.pos_to_string(pos), maxdist))
 	for _, player in pairs(minetest.get_connected_players()) do
-		if playercheck(player, pos, maxdist or 32, check) then
+		if playercheck(player, pos, maxdist, check) then
 			for _, l in pairs(type(label) == "table" and label or {label}) do
-				nodecore.player_discover(player, "witness:" .. l)
+				if l then
+					nodecore.player_discover(player, "witness:" .. l)
+				end
 			end
 		end
 	end
diff --git a/mods/nc_doors/hints.lua b/mods/nc_doors/hints.lua
index a33e833c..a2ee9458 100644
--- a/mods/nc_doors/hints.lua
+++ b/mods/nc_doors/hints.lua
@@ -37,3 +37,13 @@ nodecore.register_hint("propel hinged panel with focused light",
 	"door ablation",
 	{"nc_optics:lens_on", "group:door"}
 )
+
+nodecore.register_hint("place a node with a door",
+	"witness:door placement",
+	"group:door"
+)
+
+nodecore.register_hint("complete a craft with a door",
+	"witness:door place-craft",
+	"group:door"
+)
diff --git a/mods/nc_doors/presscraft.lua b/mods/nc_doors/presscraft.lua
index a287b2b4..87953f59 100644
--- a/mods/nc_doors/presscraft.lua
+++ b/mods/nc_doors/presscraft.lua
@@ -69,6 +69,7 @@ local function pressify(rc)
 
 	nr.action = "press"
 	nr.toolgroups = nil
+	nr.witness = 16
 
 	local oldcheck = nr.check
 	nr.check = function(pos, data)
@@ -102,6 +103,28 @@ nodecore.register_craft = function(def, ...)
 	return helper(oldreg(def, ...))
 end
 
+nodecore.register_craft({
+		action = "press",
+		label = "press node craft",
+		priority = -1,
+		nodes = {{match = {groups = {stack_as_node = true}}}},
+		check = function(pos, data)
+			if not backstop(pos, vector.subtract(data.pointed.under,
+					data.pointed.above), 4) then return end
+			return true
+		end,
+		after = function(pos, data)
+			return nodecore.craft_check(pos,
+				minetest.get_node(pos),
+				{
+					action = "place",
+					pointed = data.pointed,
+					witness = 16,
+					label = "door place-craft"
+				})
+		end
+	})
+
 local checkedstack = {}
 nodecore.register_craft({
 		action = "press",
@@ -126,36 +149,17 @@ nodecore.register_craft({
 			local stack = data[checkedstack]
 			if not stack then return end
 			minetest.remove_node(pos)
-			stack = minetest.item_place_node(stack, nil, data.pointed)
+			nodecore.witness(pos, "door placement")
+			local pt = {}
+			for k, v in pairs(data.pointed) do pt[k] = v end
+			pt.craftdata = {
+				witness = 16,
+				label = "door place-craft"
+			}
+			stack = minetest.item_place_node(stack, nil, pt)
 			nodecore.node_sound(pos, "place")
 			if not stack:is_empty() then
 				nodecore.item_eject(pos, stack)
 			end
-			return nodecore.craft_check(pos,
-				minetest.get_node(pos),
-				{
-					action = "place",
-					pointed = data.pointed
-				})
-		end
-	})
-
-nodecore.register_craft({
-		action = "press",
-		label = "press node craft",
-		priority = -1,
-		nodes = {{match = {groups = {stack_as_node = true}}}},
-		check = function(pos, data)
-			if not backstop(pos, vector.subtract(data.pointed.under,
-					data.pointed.above), 4) then return end
-			return true
-		end,
-		after = function(pos, data)
-			return nodecore.craft_check(pos,
-				minetest.get_node(pos),
-				{
-					action = "place",
-					pointed = data.pointed
-				})
 		end
 	})