diff --git a/deploy/db/spec_events.py b/deploy/db/spec_events.py
index ee2f794..758d58f 100644
--- a/deploy/db/spec_events.py
+++ b/deploy/db/spec_events.py
@@ -152,11 +152,14 @@ def _log_unresolved(contract_id, supplement_id, seq, op, prompt_id, document_id,
 
 
 def _hash(name, date_start=None):
-    """Нормализованный хеш услуги. Включает date_start чтобы различать периоды."""
+    """Нормализованный хеш услуги. Включает нормализованный date_start чтобы различать периоды."""
     import hashlib
     key = name.strip().lower()
     if date_start:
-        key += "|" + str(date_start)
+        from services.metrics import normalize_date
+        nd = normalize_date(str(date_start))
+        if nd:
+            key += "|" + nd
     return hashlib.sha256(key.encode()).hexdigest()[:16]
 
 
diff --git a/deploy/services/metrics.py b/deploy/services/metrics.py
index 9a37f22..4f389fa 100644
--- a/deploy/services/metrics.py
+++ b/deploy/services/metrics.py
@@ -63,10 +63,26 @@ class ClassifyMetrics:
 
 
 def _to_decimal(val) -> Decimal | None:
-    """Safe conversion to Decimal."""
+    """Safe conversion to Decimal with number normalization."""
     if val is None or val == "":
         return None
     try:
-        return Decimal(str(val))
+        s = str(val).replace("\xa0", "").replace(" ", "").replace(",", ".")
+        return Decimal(s)
     except (InvalidOperation, ValueError):
         return None
+
+
+def normalize_date(ds: str) -> str | None:
+    """Normalize date to YYYY-MM-DD. Handles DD.MM.YYYY, YYYY-MM-DD, etc."""
+    if not ds:
+        return None
+    import re
+    # DD.MM.YYYY → YYYY-MM-DD
+    m = re.match(r"(\d{2})\.(\d{2})\.(\d{4})", ds)
+    if m:
+        return f"{m.group(3)}-{m.group(2)}-{m.group(1)}"
+    # YYYY-MM-DD — already canonical
+    if re.match(r"\d{4}-\d{2}-\d{2}", ds):
+        return ds
+    return ds  # return as-is if unrecognized format