diff --git a/skills/ingest/scripts/ingest-semantic.py b/skills/ingest/scripts/ingest-semantic.py
index 09991e0..fec6582 100755
--- a/skills/ingest/scripts/ingest-semantic.py
+++ b/skills/ingest/scripts/ingest-semantic.py
@@ -20,7 +20,7 @@
 #
 # Emits a single JSON status line on stdout (for n8n / logs).
 # =============================================================================
-import json, os, re, sys, datetime, urllib.request, urllib.error
+import json, os, hashlib, subprocess, re, sys, datetime, urllib.request, urllib.error
 
 # --- config (override via env; these live in ~/.config/knowledge-genome.env) ---
 OLLAMA_URL = os.environ.get("OLLAMA_URL", "http://localhost:11434/api/chat")
@@ -257,7 +257,16 @@ def call_model():
 
 # --- run the semantic pass ---
 sem = call_model()
-source_slug = slugify(os.path.splitext(os.path.basename(raw_rel))[0])
+
+# Source of truth: slug from slug.sh --raw (deterministic, path-aware, collision-proof)
+source_slug = subprocess.check_output(
+    ["bash", os.path.join(os.path.dirname(__file__), "slug.sh"), "--raw", raw_rel],
+    text=True
+).strip()
+
+with open(raw_rel, "rb") as f:
+    src_sha = hashlib.sha256(f.read()).hexdigest()
+
 pages = []
 
 # 1. source page — canonical summary of THIS source (re)written
@@ -273,7 +282,10 @@ src_tags   = ([slugify(e.get("name", "")) for e in sem.get("entities", [])]
               + [slugify(c.get("name", "")) for c in sem.get("concepts", [])])[:8]
 os.makedirs("wiki/sources", exist_ok=True)
 with open(src_path, "w", encoding="utf-8") as f:
-    f.write(frontmatter("source", src_title, src_tags))
+    fm = frontmatter("source", src_title, src_tags)
+    # Inject tracking fields before the closing '---' (first newline-dash-dash-dash-newline)
+    fm = fm.replace("\n---\n", f"\nsource_path: {raw_rel}\nsource_sha256: {src_sha}\n---\n", 1)
+    f.write(fm)
     f.write(f"\n# {src_title}\n\n{src_body}\n")
 pages.append({"path": src_path,
               "summary": twords(src_title),
diff --git a/skills/ingest/scripts/run-ingest.sh b/skills/ingest/scripts/run-ingest.sh
index cb998cd..07197b2 100755
--- a/skills/ingest/scripts/run-ingest.sh
+++ b/skills/ingest/scripts/run-ingest.sh
@@ -53,7 +53,7 @@ contradictions="$(jq -r '.contradictions // "None"' "$manifest")"
 
 [[ -n "$raw_source" && "$raw_source" != "null" ]] || fail "manifest" "raw_source missing"
 
-slug="$(bash "${SCRIPTS}/slug.sh" "$raw_source")" || fail "slug" "empty or invalid slug for ${raw_source}"
+slug="$(bash "${SCRIPTS}/slug.sh" --raw "$raw_source")" || fail "slug" "empty or invalid slug for ${raw_source}"
 
 # --- collect touched paths ---
 mapfile -t created_paths  < <(jq -r '.pages[] | select(.status=="created")  | .path' "$manifest")
diff --git a/tests/ingest-semantic.bats b/tests/ingest-semantic.bats
new file mode 100644
index 0000000..11e48b6
--- /dev/null
+++ b/tests/ingest-semantic.bats
@@ -0,0 +1,29 @@
+#!/usr/bin/env bats
+
+setup() {
+  load 'helpers'
+  source "$LIB_DIR/output.sh"
+  source "$LIB_DIR/lint.sh"
+}
+
+@test "lint tolerates source_path/source_sha256 in source frontmatter" {
+  G="$(make_fixture_genome)"
+  mkdir -p "$G/wiki/sources"
+  cat > "$G/wiki/sources/test-source.md" <<'EOFMD'
+---
+title: "Test Source"
+type: source
+domain: genome-test
+maturity: draft
+last_updated: 2026-06-25
+private: false
+tags: [test]
+source_path: raw/articles/test.md
+source_sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
+---
+# Test Source
+body
+EOFMD
+  run lint_markdown_file "$G/wiki/sources/test-source.md" genome-test
+  [ "$status" -eq 0 ]
+}
diff --git a/tests/run-ingest.bats b/tests/run-ingest.bats
index 6b7c30b..b478743 100644
--- a/tests/run-ingest.bats
+++ b/tests/run-ingest.bats
@@ -171,3 +171,41 @@ EOF
   [ "$status" -eq 0 ]
   [[ "$output" == *"develop"* ]]
 }
+
+@test "run-ingest: branch name matches slug.sh --raw for nested raw paths" {
+  command -v jq >/dev/null 2>&1 || skip "jq not installed"
+  G="$(make_fixture_genome)"; cd "$G"
+  mkdir -p wiki/sources
+  cat > wiki/sources/cibo-il-pane.md <<'EOFMD'
+---
+title: "Il Pane"
+type: source
+domain: genome-test
+tags: [cibo]
+maturity: draft
+last_updated: 2026-06-25
+private: false
+source_path: raw/articles/cibo/il-pane.md
+source_sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
+---
+# Il Pane
+body
+EOFMD
+  cat > .ingest-manifest.json <<'EOFJSON'
+{
+  "raw_source": "raw/articles/cibo/il-pane.md",
+  "model": "qwen3.5-9b",
+  "reasoning": "Ingest.",
+  "pr_summary": "Ingest summary.",
+  "contradictions": "None",
+  "pages": [
+    {"path": "wiki/sources/cibo-il-pane.md", "summary": "Summary.", "maturity": "draft", "status": "created"}
+  ]
+}
+EOFJSON
+  export KG_LIB_DIR="$LIB_DIR"
+  export FORGEJO_URL="http://forgejo.local" FORGEJO_USER="u" FORGEJO_TOKEN="t" DRY_RUN=1
+  run bash "$SKILL_SCRIPTS/run-ingest.sh" genome-test
+  [ "$status" -eq 0 ]
+  [[ "$output" == *"cibo-il-pane"* ]]
+}