diff --git a/app/controllers/admin/signature_sheets_controller.rb b/app/controllers/admin/signature_sheets_controller.rb
index 83d1e93ce..325ece443 100644
--- a/app/controllers/admin/signature_sheets_controller.rb
+++ b/app/controllers/admin/signature_sheets_controller.rb
@@ -21,7 +21,6 @@ class Admin::SignatureSheetsController < Admin::BaseController
 
   def show
     @signature_sheet = SignatureSheet.find(params[:id])
-    @invalid_signatures = @signature_sheet.invalid_signatures
   end
 
   private
diff --git a/app/models/signature.rb b/app/models/signature.rb
index 3a1d197eb..37340b227 100644
--- a/app/models/signature.rb
+++ b/app/models/signature.rb
@@ -2,71 +2,59 @@ class Signature < ActiveRecord::Base
   belongs_to :signature_sheet
   belongs_to :user
 
-  validate :in_census
-  validate :not_already_voted
+  validates :document_number, presence: true
+  validates :signature_sheet, presence: true
 
-  scope :valid,   -> { where(status: 'verified') }
-  scope :invalid, -> { where.not(status: 'verified') }
+  scope :verified,   -> { where(verified: true) }
+  scope :unverified, -> { where(verified: false) }
 
-  def in_census
-    return true if user_exists?
-    errors.add(:document_number, :not_in_census) unless in_census?
-  end
-
-  def not_already_voted
-    errors.add(:document_number, :already_voted) if already_voted?
-  end
+  before_save :verify
 
   def verify
-    if valid?
+    if verified?
       assign_vote
-      update_attribute(:status, 'verified')
-    else
-      error = errors.messages[:document_number].first
-      update_attribute(:status, error)
+      verified = true
     end
   end
 
-  private
+  def verified?
+    user_exists? || in_census?
+  end
 
-    def assign_vote
-      if user_exists?
-        assign_vote_to_user
-      else
-        create_user
-        assign_vote_to_user
-      end
-    end
 
-    def assign_vote_to_user
-      signable.register_vote(user, "yes", "signature")
-      #Vote.create(votable: signable, voter: user, signature: self)
+  def assign_vote
+    if user_exists?
+      assign_vote_to_user
+    else
+      create_user
+      assign_vote_to_user
     end
+  end
 
-    def user_exists?
-      user = User.where(document_number: document_number).exists?
-    end
+  def assign_vote_to_user
+    signable.register_vote(user, "yes", "signature")
+  end
 
-    def create_user
-      user = User.where(document_number: document_number, erased_at: Time.now).create
-    end
+  def user_exists?
+    user = User.where(document_number: document_number).exists?
+  end
 
-    def in_census?
-      document_types.any? do |document_type|
-        CensusApi.new.call(document_type, document_number).valid?
-      end
-    end
+  def create_user
+    user = User.where(document_number: document_number, erased_at: Time.now).create
+  end
 
-    def already_voted?
-      signable.voters.where(document_number: document_number).exists?
+  def in_census?
+    document_types.any? do |document_type|
+      CensusApi.new.call(document_type, document_number).valid?
     end
+  end
 
-    def signable
-      signature_sheet.signable
-    end
+  def signable
+    signature_sheet.signable
+  end
 
-    def document_types
-      %w(1 2 3 4)
-    end
+  def document_types
+    %w(1 2 3 4)
+  end
 
 end
\ No newline at end of file
diff --git a/app/models/signature_sheet.rb b/app/models/signature_sheet.rb
index 7829833a3..a77e12098 100644
--- a/app/models/signature_sheet.rb
+++ b/app/models/signature_sheet.rb
@@ -13,7 +13,7 @@ class SignatureSheet < ActiveRecord::Base
   validate  :signable_found
 
   def name
-    "#{signable_name} + #{signable_id}"
+    "#{signable_name} #{signable_id}"
   end
 
   def signable_name
@@ -22,19 +22,13 @@ class SignatureSheet < ActiveRecord::Base
 
   def verify_signatures
     parsed_document_numbers.each do |document_number|
-      signature = signatures.new(document_number: document_number)
-      signature.save(validate: false)
-      signature.verify
+      signature = signatures.create(document_number: document_number)
     end
     update(processed: true)
   end
 
-  def invalid_signatures
-    signatures.invalid.group_by(&:status)
-  end
-
   def parsed_document_numbers
-    document_numbers.split(",")
+    document_numbers.split(/\W+/)
   end
 
   def signable_found
diff --git a/app/views/admin/signature_sheets/show.html.erb b/app/views/admin/signature_sheets/show.html.erb
index 84f5cb672..2b57b92c5 100644
--- a/app/views/admin/signature_sheets/show.html.erb
+++ b/app/views/admin/signature_sheets/show.html.erb
@@ -6,21 +6,21 @@
 <br/>
 
 <div>
-  Hay <%= @signature_sheet.signatures.valid.count %> firmas válidas
+  Hay <%= @signature_sheet.signatures.verified.count %> firmas válidas
 </div>
 
 <div>
-  Hay <%= @signature_sheet.signatures.invalid.count %> firmas inválidas
+  Hay <%= @signature_sheet.signatures.unverified.count %> firmas inválidas
 </div>
 <br/>
 
-<% if @signature_sheet.signatures.invalid.any? %>
-  <% @invalid_signatures.each do |error, signatures| %>
-    <div><%= error %></div>
+<% if @signature_sheet.signatures.verified.any? %>
     <div>
-        <%= signatures.map(&:document_number).join(",") %>
+      EL PADRÓN NO PUDO VERIFICAR LA INFORMACIÓN
+    </div>
+    <div>
+        <%= @signature_sheet.signatures.unverified.map(&:document_number).join(",") %>
     </div>
-  <% end %>
 <% end %>
 
 <% unless @signature_sheet.processed? %>
diff --git a/db/migrate/20161214212918_create_signature_sheets.rb b/db/migrate/20161214212918_create_signature_sheets.rb
index e3f4e6a58..d34728a34 100644
--- a/db/migrate/20161214212918_create_signature_sheets.rb
+++ b/db/migrate/20161214212918_create_signature_sheets.rb
@@ -3,7 +3,7 @@ class CreateSignatureSheets < ActiveRecord::Migration
     create_table :signature_sheets do |t|
       t.references :signable, polymorphic: true
       t.text :document_numbers
-      t.boolean :processed
+      t.boolean :processed, default: false
       t.references :author
       t.timestamps
     end
diff --git a/db/migrate/20161214233817_create_signatures.rb b/db/migrate/20161214233817_create_signatures.rb
index c8c178582..fd6b53d3a 100644
--- a/db/migrate/20161214233817_create_signatures.rb
+++ b/db/migrate/20161214233817_create_signatures.rb
@@ -4,7 +4,7 @@ class CreateSignatures < ActiveRecord::Migration
       t.references :signature_sheet
       t.references :user
       t.string :document_number
-      t.string :status, default: nil
+      t.boolean :verified, default: false
       t.timestamps
     end
   end