diff --git a/ereuse_devicehub/migrations/versions/3eb50297c365_add_hash.py b/ereuse_devicehub/migrations/versions/3eb50297c365_add_hash.py
index 32be4e8d..e6eff98d 100644
--- a/ereuse_devicehub/migrations/versions/3eb50297c365_add_hash.py
+++ b/ereuse_devicehub/migrations/versions/3eb50297c365_add_hash.py
@@ -5,12 +5,13 @@ Revises: 378b6b147b46
 Create Date: 2020-12-18 16:26:15.453694
 
 """
-from alembic import context
-from alembic import op
-import sqlalchemy as sa
-import sqlalchemy_utils
+
 import citext
-import teal
+import sqlalchemy as sa
+
+from alembic import op
+from alembic import context
+from sqlalchemy.dialects import postgresql
 
 
 # revision identifiers, used by Alembic.
@@ -29,10 +30,10 @@ def get_inv():
 def upgrade():
     # Report Hash table
     op.create_table('report_hash',
-                    sa.Column('id', sa.BigInteger(), nullable=False),
+                    sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
                     sa.Column('created', sa.TIMESTAMP(timezone=True), server_default=sa.text('CURRENT_TIMESTAMP'),
                               nullable=False, comment='When Devicehub created this.'),
-                    sa.Column('hash', citext.CIText(), nullable=False),
+                    sa.Column('hash3', citext.CIText(), nullable=False),
                     sa.PrimaryKeyConstraint('id'),
                     schema=f'{get_inv()}'
                     )
diff --git a/ereuse_devicehub/resources/hash_reports.py b/ereuse_devicehub/resources/hash_reports.py
new file mode 100644
index 00000000..26bf5bd2
--- /dev/null
+++ b/ereuse_devicehub/resources/hash_reports.py
@@ -0,0 +1,29 @@
+"""Hash implementation and save in database 
+"""
+import hashlib
+
+from citext import CIText
+from sqlalchemy import Column
+from sqlalchemy.dialects.postgresql import UUID
+from uuid import uuid4
+
+from ereuse_devicehub.db import db
+
+
+class ReportHash(db.Model):
+    """Save the hash than is create when one report is download.
+    """
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
+    id.comment = """The identifier of the device for this database. Used only
+    internally for software; users should not use this.
+    """
+    hash3 = db.Column(CIText(), nullable=False)
+    hash3.comment = """The normalized name of the hash."""
+
+
+def insert_hash(bfile=b'hello'):
+    hash3 = hashlib.sha3_256(bfile).hexdigest()
+    db_hash = ReportHash(hash3=hash3)
+    db.session.add(db_hash)
+    db.session.commit()
+    db.session.flush()