diff --git a/internal/config/notarius_test.go b/internal/config/notarius_test.go
index 02628f3..a5cbf12 100644
--- a/internal/config/notarius_test.go
+++ b/internal/config/notarius_test.go
@@ -351,11 +351,14 @@ func cloneNotariusConfigForTest(cfg *NotariusConfig) *NotariusConfig {
 func TestNotariusSpellCatalogReferenceRequiresEffectiveInput(t *testing.T) {
 	cfg := loadedValidConfig(t)
 	cfg.Pipeline.Notarius = validNotariusConfig()
-	cfg.Pipeline.Notarius.References = map[string]string{"spells": "narratio.input.spell_catalog"}
+	cfg.Pipeline.Notarius.References = map[string]string{
+		"zeta":  "narratio.input.spell_catalog",
+		"alpha": "narratio.input.spell_catalog",
+	}
 
 	err := Validate(cfg)
-	if err == nil || !strings.Contains(err.Error(), "requires campaign.inputs.spell_catalog_file or session.inputs.spell_catalog_file") {
-		t.Fatalf("Validate() error = %v, want missing spell catalog input", err)
+	if err == nil || !strings.Contains(err.Error(), "pipeline.notarius.references.alpha") || !strings.Contains(err.Error(), "requires campaign.inputs.spell_catalog_file or session.inputs.spell_catalog_file") {
+		t.Fatalf("Validate() error = %v, want sorted selector and missing spell catalog input", err)
 	}
 
 	cfg.StableInputs.SpellCatalogFile = ResolvedInputFile{Path: "./spells.json", Source: "campaign_config"}
diff --git a/internal/config/storage_publish_test.go b/internal/config/storage_publish_test.go
index 809738f..1a90493 100644
--- a/internal/config/storage_publish_test.go
+++ b/internal/config/storage_publish_test.go
@@ -480,6 +480,18 @@ publish:
 	}
 }
 
+func TestScriptoriumOutputPathsIgnoreInvalidKeys(t *testing.T) {
+	scriptorium := &ScriptoriumConfig{Artifacts: map[string]ScriptoriumArtifactConfig{
+		" artifact": {OutputPath: "artifacts/invalid.md"},
+		"artifact":  {OutputPath: "artifacts/canonical.md"},
+	}}
+
+	paths := scriptoriumOutputPathMap(scriptorium)
+	if got := paths["artifact"]; got != "artifacts/canonical.md" {
+		t.Fatalf("output path = %q, want canonical artifact declaration", got)
+	}
+}
+
 func TestPublishLockValidation(t *testing.T) {
 	tests := []struct {
 		name        string
diff --git a/internal/config/validate_core.go b/internal/config/validate_core.go
index 16f3e94..4355a07 100644
--- a/internal/config/validate_core.go
+++ b/internal/config/validate_core.go
@@ -139,7 +139,8 @@ func validateCrossConfig(pipeline *PipelineConfig, session *SessionConfig, stabl
 		return nil
 	}
 	if pipeline.Notarius != nil && pipeline.Notarius.Enabled {
-		for selector, source := range pipeline.Notarius.References {
+		for _, selector := range sortedStringKeys(pipeline.Notarius.References) {
+			source := pipeline.Notarius.References[selector]
 			if source == artifactpolicy.SourceInputSpellCatalog && strings.TrimSpace(stableInputs.SpellCatalogFile.Path) == "" {
 				return fmt.Errorf("pipeline.notarius.references.%s requires campaign.inputs.spell_catalog_file or session.inputs.spell_catalog_file", selector)
 			}
diff --git a/internal/config/validate_helpers.go b/internal/config/validate_helpers.go
index b37b6d9..a9b5957 100644
--- a/internal/config/validate_helpers.go
+++ b/internal/config/validate_helpers.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"path/filepath"
 	"regexp"
+	"sort"
 	"strings"
 	"time"
 )
@@ -11,6 +12,15 @@ import (
 var windowsAbsPathRE = regexp.MustCompile(`^[A-Za-z]:[\\/].*`)
 var envVarNameRE = regexp.MustCompile(`^[A-Za-z_][A-Za-z0-9_]*$`)
 
+func sortedStringKeys[V any](values map[string]V) []string {
+	keys := make([]string, 0, len(values))
+	for key := range values {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	return keys
+}
+
 func validateEnvVarNameField(fieldName, value string) error {
 	trimmed := strings.TrimSpace(value)
 	if trimmed == "" {
diff --git a/internal/config/validate_publish.go b/internal/config/validate_publish.go
index 9bb3629..a091caa 100644
--- a/internal/config/validate_publish.go
+++ b/internal/config/validate_publish.go
@@ -153,7 +153,11 @@ func scriptoriumOutputPathMap(scriptorium *ScriptoriumConfig) map[string]string
 	if scriptorium == nil || len(scriptorium.Artifacts) == 0 {
 		return out
 	}
-	for key, artifactCfg := range scriptorium.Artifacts {
+	for _, key := range sortedStringKeys(scriptorium.Artifacts) {
+		artifactCfg := scriptorium.Artifacts[key]
+		if !artifactpolicy.IsConfiguredKey(key) {
+			continue
+		}
 		out[strings.TrimSpace(key)] = strings.TrimSpace(artifactCfg.OutputPath)
 	}
 	return out