diff --git a/Gemfile.lock b/Gemfile.lock
index ff4d48122e..160a12b73b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -243,7 +243,7 @@ GEM
     encryptor (3.0.0)
     equalizer (0.0.11)
     erubi (1.12.0)
-    et-orbi (1.2.7)
+    et-orbi (1.2.11)
       tzinfo
     ethon (0.16.0)
       ffi (>= 1.15.0)
@@ -302,8 +302,8 @@ GEM
       fog-core
       nokogiri (>= 1.5.11, < 2.0.0)
     formatador (1.1.0)
-    fugit (1.5.2)
-      et-orbi (~> 1.1, >= 1.1.8)
+    fugit (1.11.1)
+      et-orbi (~> 1, >= 1.2.11)
       raabro (~> 1.4)
     fx (0.8.0)
       activerecord (>= 6.0.0)
diff --git a/app/models/concerns/alegre_v2.rb b/app/models/concerns/alegre_v2.rb
index d93be886b7..66619134ed 100644
--- a/app/models/concerns/alegre_v2.rb
+++ b/app/models/concerns/alegre_v2.rb
@@ -1,7 +1,7 @@
 require 'active_support/concern'
 class AlegreTimeoutError < StandardError; end
 class TemporaryProjectMedia
-  attr_accessor :team_id, :id, :url, :text, :type
+  attr_accessor :team_id, :id, :url, :text, :type, :field
   def media
     media_type_map = {
       "claim" => "Claim",
@@ -36,6 +36,10 @@ def is_video?
   def is_audio?
     self.type == "audio"
   end
+
+  def is_uploaded_media?
+    self.is_image? || self.is_audio? || self.is_video?
+  end
 end
 
 module AlegreV2
@@ -160,31 +164,31 @@ def get_type(project_media)
     end
 
     def content_hash_for_value(value)
-      Digest::MD5.hexdigest(value)
+      value.nil? ? nil : Digest::MD5.hexdigest(value)
     end
 
     def content_hash(project_media, field)
       if Bot::Alegre::ALL_TEXT_SIMILARITY_FIELDS.include?(field)
         content_hash_for_value(project_media.send(field))
+      elsif project_media.is_link?
+        return content_hash_for_value(project_media.media.url)
+      elsif project_media.is_a?(TemporaryProjectMedia)
+        return Rails.cache.read("url_sha:#{project_media.url}")
+      elsif project_media.is_uploaded_media?
+        return project_media.media.file.filename.split(".").first
       else
-        if project_media.is_link?
-          return content_hash_for_value(project_media.media.url)
-        elsif project_media.is_a?(TemporaryProjectMedia)
-          return Rails.cache.read("url_sha:#{project_media.url}")
-        elsif !project_media.is_text?
-          return project_media.media.file.filename.split(".").first
-        else
-          return content_hash_for_value(project_media.send(field).to_s)
-        end
+        return content_hash_for_value(project_media.send(field).to_s)
       end
     end
 
     def generic_package(project_media, field)
-      {
-        content_hash: content_hash(project_media, field),
+      content_hash_value = content_hash(project_media, field)
+      params = {
         doc_id: item_doc_id(project_media, field),
         context: get_context(project_media, field)
       }
+      params[:content_hash] = content_hash_value if !content_hash_value.nil?
+      params
     end
 
     def delete_package(project_media, field, params={}, quiet=false)
@@ -282,11 +286,15 @@ def store_package_text(project_media, field, params)
       generic_package_text(project_media, field, params)
     end
 
-    def get_sync_raw_params(params, type)
+    def index_async_with_params(params, type, suppress_search_response=true)
+      request("post", async_path_for_type(type), params.merge(suppress_search_response: suppress_search_response))
+    end
+
+    def get_sync_with_params(params, type)
       request("post", sync_path_for_type(type), params)
     end
 
-    def get_async_raw_params(params, type)
+    def get_async_with_params(params, type)
       request("post", async_path_for_type(type), params)
     end
 
@@ -309,6 +317,10 @@ def delete(project_media, field=nil, params={})
         delete_package(project_media, field, params),
         project_media
       )
+    rescue StandardError => e
+      error = Error.new(e)
+      Rails.logger.error("[AutoTagger Bot] Exception for event `#{body['event']}`: #{error.class} - #{error.message}")
+      CheckSentry.notify(error, bot: "alegre", project_media: project_media, params: params, field: field)
     end
 
     def get_per_model_threshold(project_media, threshold)
@@ -508,25 +520,27 @@ def wait_for_results(project_media, args)
     end
 
     def get_items_with_similar_media_v2(args={})
+      text = args[:text]
+      field = args[:field]
       media_url = args[:media_url]
       project_media = args[:project_media]
       threshold = args[:threshold]
       team_ids = args[:team_ids]
       type = args[:type]
-      if ['audio', 'image', 'video'].include?(type)
-        if project_media.nil?
-          project_media = TemporaryProjectMedia.new
-          project_media.url = media_url
-          project_media.id = Digest::MD5.hexdigest(project_media.url).to_i(16)
-          project_media.team_id = team_ids
-          project_media.type = type
-        end
-        get_similar_items_v2_async(project_media, nil, threshold)
-        wait_for_results(project_media, args)
-        response = get_similar_items_v2_callback(project_media, nil)
-        delete(project_media, nil) if project_media.is_a?(TemporaryProjectMedia)
-        return response
+      if project_media.nil?
+        project_media = TemporaryProjectMedia.new
+        project_media.text = text
+        project_media.field = field
+        project_media.url = media_url
+        project_media.id = Digest::MD5.hexdigest(project_media.url).to_i(16)
+        project_media.team_id = team_ids
+        project_media.type = type
       end
+      get_similar_items_v2_async(project_media, nil, threshold)
+      wait_for_results(project_media, args)
+      response = get_similar_items_v2_callback(project_media, nil)
+      delete(project_media, nil) if project_media.is_a?(TemporaryProjectMedia)
+      return response
     end
 
     def process_alegre_callback(params)
@@ -535,9 +549,11 @@ def process_alegre_callback(params)
       should_relate = true
       if project_media.nil?
         project_media = TemporaryProjectMedia.new
+        project_media.text = params.dig('data', 'item', 'raw', 'text')
         project_media.url = params.dig('data', 'item', 'raw', 'url')
         project_media.id = params.dig('data', 'item', 'raw', 'context', 'project_media_id')
         project_media.team_id = params.dig('data', 'item', 'raw', 'context', 'team_id')
+        project_media.field = params.dig('data', 'item', 'raw', 'context', 'field')
         project_media.type = params['model_type']
         should_relate = false
       end
diff --git a/app/models/concerns/project_media_getters.rb b/app/models/concerns/project_media_getters.rb
index b8662224e7..56040e69c7 100644
--- a/app/models/concerns/project_media_getters.rb
+++ b/app/models/concerns/project_media_getters.rb
@@ -31,6 +31,10 @@ def is_image?
     self.is_uploaded_image?
   end
 
+  def is_uploaded_media?
+    self.is_image? || self.is_audio? || self.is_video?
+  end
+
   def is_text?
     self.is_claim? || self.is_link?
   end
diff --git a/app/models/explainer.rb b/app/models/explainer.rb
index a4319e718a..f1599f4617 100644
--- a/app/models/explainer.rb
+++ b/app/models/explainer.rb
@@ -63,24 +63,26 @@ def self.update_paragraphs_in_alegre(id, previous_paragraphs_count, timestamp)
 
     # Index title
     params = {
+      content_hash: Bot::Alegre.content_hash_for_value(explainer.title),
       doc_id: Digest::MD5.hexdigest(['explainer', explainer.id, 'title'].join(':')),
+      context: base_context.merge({ field: 'title' }),
       text: explainer.title,
       models: ALEGRE_MODELS_AND_THRESHOLDS.keys,
-      context: base_context.merge({ field: 'title' })
     }
-    Bot::Alegre.request('post', '/text/similarity/', params)
+    Bot::Alegre.index_async_with_params(params, "text")
 
     # Index paragraphs
     count = 0
     explainer.description.to_s.gsub(/\r\n?/, "\n").split(/\n+/).reject{ |paragraph| paragraph.strip.blank? }.each do |paragraph|
       count += 1
       params = {
+        content_hash: Bot::Alegre.content_hash_for_value(paragraph.strip),
         doc_id: Digest::MD5.hexdigest(['explainer', explainer.id, 'paragraph', count].join(':')),
+        context: base_context.merge({ paragraph: count }),
         text: paragraph.strip,
         models: ALEGRE_MODELS_AND_THRESHOLDS.keys,
-        context: base_context.merge({ paragraph: count })
       }
-      Bot::Alegre.request('post', '/text/similarity/', params)
+      Bot::Alegre.index_async_with_params(params, "text")
     end
 
     # Remove paragraphs that don't exist anymore (we delete after updating in order to avoid race conditions)
@@ -91,7 +93,7 @@ def self.update_paragraphs_in_alegre(id, previous_paragraphs_count, timestamp)
         quiet: true,
         context: base_context.merge({ paragraph: count })
       }
-      Bot::Alegre.request('delete', '/text/similarity/', params)
+      Bot::Alegre.request_delete_from_raw(params, "text")
     end
   end
 
@@ -106,7 +108,7 @@ def self.search_by_similarity(text, language, team_id)
         language: language
       }
     }
-    response = Bot::Alegre.request('post', '/text/similarity/search/', params)
+    response = Bot::Alegre.get_async_with_params(params, "text")
     results = response['result'].to_a.sort_by{ |result| result['_score'] }
     explainer_ids = results.collect{ |result| result.dig('_source', 'context', 'explainer_id').to_i }.uniq.first(3)
     explainer_ids.empty? ? Explainer.none : Explainer.where(team_id: team_id, id: explainer_ids)
diff --git a/config/initializers/report_designer.rb b/config/initializers/report_designer.rb
index 08cd3dcbf8..ffbf4d7d2b 100644
--- a/config/initializers/report_designer.rb
+++ b/config/initializers/report_designer.rb
@@ -50,9 +50,11 @@
       if fc.nil?
         FactCheck.create({ claim_description: pm.claim_description }.merge(fields))
       else
-        fields.each { |field, value| fc.send("#{field}=", value) }
-        fc.skip_check_ability = true
-        fc.save!
+        PaperTrail.request(enabled: false) do
+          fields.each { |field, value| fc.send("#{field}=", value) }
+          fc.skip_check_ability = true
+          fc.save!
+        end
       end
     end
 
@@ -66,16 +68,18 @@
       # Update report fields
       fc = pm&.claim_description&.fact_check
       unless fc.nil?
-        state = self.data['state']
-        fields = {
-          skip_report_update: true,
-          publisher_id: nil,
-          report_status: state,
-          rating: pm.status
-        }
-        fields.each { |field, value| fc.send("#{field}=", value) }
-        fc.skip_check_ability = true
-        fc.save!
+        PaperTrail.request(enabled: false) do
+          state = self.data['state']
+          fields = {
+            skip_report_update: true,
+            publisher_id: nil,
+            report_status: state,
+            rating: pm.status
+          }
+          fields.each { |field, value| fc.send("#{field}=", value) }
+          fc.skip_check_ability = true
+          fc.save!
+        end
       end
     end
   end
diff --git a/lib/tasks/check_khousheh.rake b/lib/tasks/check_khousheh.rake
index ee1f299c65..098d9f3c06 100644
--- a/lib/tasks/check_khousheh.rake
+++ b/lib/tasks/check_khousheh.rake
@@ -192,6 +192,8 @@ namespace :check do
             Cluster.transaction do
               # Create clusters
               mapping = {} # Media ID => Cluster ID
+              # Cluster to delete in case there is no center (project_media_id)
+              cluster_to_delete = []
               # Bulk-insert clusters
               c_inserted_items = []
               clusters.length.times.each_slice(2500) do |rows|
@@ -278,6 +280,7 @@ namespace :check do
                     updated_cluster_attributes[:title] = cluster_title
                     # Update cluster
                     if updated_cluster_attributes[:project_media_id].blank?
+                      cluster_to_delete << cluster.id
                       error_logs << {Cluster: "Failed to update Cluster with id #{cluster.id}"}
                     else
                       cluster_items[cluster.id] = updated_cluster_attributes
@@ -303,6 +306,8 @@ namespace :check do
                 end
                 search_after = [pm_ids.max]
               end
+              # Delete cluster with no project_media_id
+              Cluster.where(id: cluster_to_delete).delete_all
               Team.current = nil
             end
             puts "\nRebuilding clusters for feed #{feed.name} took #{Time.now.to_f - started_at} seconds."
diff --git a/test/models/bot/smooch_6_test.rb b/test/models/bot/smooch_6_test.rb
index 7a1adddc5b..a11f769b68 100644
--- a/test/models/bot/smooch_6_test.rb
+++ b/test/models/bot/smooch_6_test.rb
@@ -139,6 +139,7 @@ def send_message_outside_24_hours_window(template, pm = nil)
 
   test "should submit query without details on tipline bot v2" do
     WebMock.stub_request(:post, /\/text\/similarity\/search\//).to_return(body: {}.to_json) # For explainers
+    WebMock.stub_request(:post, /\/similarity\/async\/text/).to_return(body: {}.to_json) # For explainers
     claim = 'This is a test claim'
     send_message 'hello', '1', '1', random_string, random_string, claim, random_string, random_string, '1'
     assert_saved_query_type 'default_requests'
@@ -208,6 +209,7 @@ def send_message_outside_24_hours_window(template, pm = nil)
   end
 
   test "should submit query with details on tipline bot v2" do
+    WebMock.stub_request(:post, /\/similarity\/async\/text/).to_return(body: {}.to_json) # For explainers
     WebMock.stub_request(:post, /\/text\/similarity\/search\//).to_return(body: {}.to_json) # For explainers
     claim = 'This is a test claim'
     send_message 'hello', '1', '1', random_string, '2', random_string, claim, '1'
@@ -285,7 +287,7 @@ def send_message_outside_24_hours_window(template, pm = nil)
   end
 
   test "should submit query and handle search error on tipline bot v2" do
-    WebMock.stub_request(:post, /\/text\/similarity\/search\//).to_return(body: {}.to_json) # For explainers
+    WebMock.stub_request(:post, /\/similarity\/async\/text/).to_return(body: {}.to_json) # For explainers
     CheckSearch.any_instance.stubs(:medias).raises(StandardError)
     Sidekiq::Testing.inline! do
       send_message 'hello', '1', '1', 'Foo bar', '1'
@@ -384,7 +386,7 @@ def send_message_outside_24_hours_window(template, pm = nil)
     ProjectMedia.any_instance.stubs(:report_status).returns('published')
     ProjectMedia.any_instance.stubs(:analysis_published_article_url).returns(random_url)
     Bot::Alegre.stubs(:get_merged_similar_items).returns({ create_project_media.id => { score: 0.9 } })
-    WebMock.stub_request(:post, /\/text\/similarity\/search\//).to_return(body: {}.to_json) # For explainers
+    WebMock.stub_request(:post, /\/similarity\/async\/text/).to_return(body: {}.to_json) # For explainers
     Sidekiq::Testing.inline! do
       send_message 'hello', '1', '1', "Foo bar foo bar #{url} foo bar", '1'
     end
@@ -693,7 +695,7 @@ def send_message_outside_24_hours_window(template, pm = nil)
     pm = create_project_media team: @team
     publish_report(pm, {}, nil, { language: 'pt', use_visual_card: false })
     Bot::Smooch.stubs(:get_search_results).returns([pm])
-    WebMock.stub_request(:post, /\/text\/similarity\/search/).to_return(body: {}.to_json) # For explainers
+    WebMock.stub_request(:post, /\/similarity\/async\/text/).to_return(body: {}.to_json) # For explainers
     Sidekiq::Testing.inline! do
       send_message 'hello', '1', '1', 'Foo bar', '1'
     end
diff --git a/test/models/bot/smooch_7_test.rb b/test/models/bot/smooch_7_test.rb
index 4fd46ac40e..9a7cb345c0 100644
--- a/test/models/bot/smooch_7_test.rb
+++ b/test/models/bot/smooch_7_test.rb
@@ -600,6 +600,7 @@ def teardown
   end
 
   test "should include claim_description_content in smooch search" do
+    WebMock.stub_request(:post, 'http://alegre:3100/similarity/async/image').to_return(body: {}.to_json)
     WebMock.stub_request(:post, 'http://alegre:3100/text/similarity/').to_return(body: {}.to_json)
     RequestStore.store[:skip_cached_field_update] = false
     t = create_team
diff --git a/test/models/explainer_test.rb b/test/models/explainer_test.rb
index a902379b6c..a87665421e 100644
--- a/test/models/explainer_test.rb
+++ b/test/models/explainer_test.rb
@@ -99,12 +99,12 @@ def setup
     }
 
     # Index two paragraphs and title when the explainer is created
-    Bot::Alegre.stubs(:request).with('post', '/text/similarity/', anything).times(3)
+    Bot::Alegre.stubs(:request).with('post', '/similarity/async/text', anything).times(3)
     Bot::Alegre.stubs(:request).with('delete', '/text/similarity/', anything).never
     ex = create_explainer description: description
 
     # Update the index when paragraphs change
-    Bot::Alegre.stubs(:request).with('post', '/text/similarity/', anything).times(2)
+    Bot::Alegre.stubs(:request).with('post', '/similarity/async/text', anything).times(2)
     Bot::Alegre.stubs(:request).with('delete', '/text/similarity/', anything).once
     ex = Explainer.find(ex.id)
     ex.description = 'Now this is the only paragraph'