diff --git a/Gemfile b/Gemfile
index 0e3b255..8a418fa 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,3 +10,5 @@ gem "rake", "~> 13.0"
 gem "minitest", "~> 5.16"
 
 gem "rubocop", "~> 1.21"
+
+gem "standard", "~> 1.44"
diff --git a/Gemfile.lock b/Gemfile.lock
index 8be10b7..e5a35b6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    picopackage (0.2.0)
+    picopackage (0.2.1)
       digest
       open-uri (~> 0.5)
       yaml (~> 0.4)
@@ -14,22 +14,27 @@ GEM
     debug (1.10.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
-    digest (3.1.1)
+    digest (3.2.0)
     io-console (0.8.0)
-    irb (1.14.3)
+    irb (1.15.1)
+      pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     json (2.9.1)
     language_server-protocol (3.17.0.3)
+    lint_roller (1.1.0)
     minitest (5.25.4)
     open-uri (0.5.0)
       stringio
       time
       uri
     parallel (1.26.3)
-    parser (3.3.6.0)
+    parser (3.3.7.0)
       ast (~> 2.4.1)
       racc
+    pp (0.6.2)
+      prettyprint
+    prettyprint (0.2.0)
     psych (5.2.3)
       date
       stringio
@@ -53,7 +58,22 @@ GEM
       unicode-display_width (>= 2.4.0, < 4.0)
     rubocop-ast (1.37.0)
       parser (>= 3.3.1.0)
+    rubocop-performance (1.23.1)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     ruby-progressbar (1.13.0)
+    standard (1.44.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.70.0)
+      standard-custom (~> 1.0.0)
+      standard-performance (~> 1.6)
+    standard-custom (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.50)
+    standard-performance (1.6.0)
+      lint_roller (~> 1.1)
+      rubocop-performance (~> 1.23.0)
     stringio (3.1.2)
     time (0.4.1)
       date
@@ -73,6 +93,7 @@ DEPENDENCIES
   picopackage!
   rake (~> 13.0)
   rubocop (~> 1.21)
+  standard (~> 1.44)
 
 BUNDLED WITH
    2.6.2
diff --git a/Rakefile b/Rakefile
index 2bf771f..ab58bab 100644
--- a/Rakefile
+++ b/Rakefile
@@ -5,8 +5,9 @@ require "minitest/test_task"
 
 Minitest::TestTask.create
 
-require "rubocop/rake_task"
+# require "rubocop/rake_task"
+# RuboCop::RakeTask.new
 
-RuboCop::RakeTask.new
+require "standard/rake"
 
-task default: %i[test rubocop]
+task default: %i[test standard]
diff --git a/bin/console b/bin/console
index 677e348..6dca5fb 100755
--- a/bin/console
+++ b/bin/console
@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 require "bundler/setup"
-require "picop"
+require "picopackage"
 
 # You can add fixtures and/or initialization code here to make experimenting
 # with your gem easier. You can also use a different console, if you like.
diff --git a/exe/ppkg b/exe/ppkg
index a7d4f33..b0940ef 100755
--- a/exe/ppkg
+++ b/exe/ppkg
@@ -1,15 +1,15 @@
 #!/usr/bin/env ruby
 
 # Add lib directory to load path
-lib_path = File.expand_path('../lib', __dir__)
+lib_path = File.expand_path("../lib", __dir__)
 $LOAD_PATH.unshift(lib_path) unless $LOAD_PATH.include?(lib_path)
 
-require 'picopackage'
+require "picopackage"
 
 begin
   Picopackage::CLI.run(ARGV)
 rescue => e
   warn "Error: #{e.message}"
-  warn e.backtrace if ENV['DEBUG']
+  warn e.backtrace if ENV["DEBUG"]
   exit 1
 end
diff --git a/lib/picopackage.rb b/lib/picopackage.rb
index e0cf1e0..83fde8e 100644
--- a/lib/picopackage.rb
+++ b/lib/picopackage.rb
@@ -10,7 +10,10 @@ require_relative "picopackage/cli"
 
 module Picopackage
   class Error < StandardError; end
+
   class FileTooLargeError < StandardError; end
+
   class FetchError < StandardError; end
+
   class LocalModificationError < StandardError; end
 end
diff --git a/lib/picopackage/cli.rb b/lib/picopackage/cli.rb
index 5f49679..71452dd 100644
--- a/lib/picopackage/cli.rb
+++ b/lib/picopackage/cli.rb
@@ -5,17 +5,17 @@ module Picopackage
     def self.run(argv = ARGV)
       command = argv.shift
       case command
-      when 'scan'
+      when "scan"
         options = {}
         OptionParser.new do |opts|
           opts.banner = "Usage: ppkg scan [options] DIRECTORY"
           # opts.on('-v', '--verbose', 'Run verbosely') { |v| options[:verbose] = v }
         end.parse!(argv)
 
-        dir = argv.first || '.'
-        Picopackage::Scanner.scan(dir).each {|f| puts f.file_path }
+        dir = argv.first || "."
+        Picopackage::Scanner.scan(dir).each { |f| puts f.file_path }
 
-      when 'digest'
+      when "digest"
         OptionParser.new do |opts|
           opts.banner = "Usage: ppkg digest FILE"
         end.parse!(argv)
@@ -23,14 +23,14 @@ module Picopackage
         file = argv.first
         Picopackage::SourceFile.from_file(file).digest!
 
-      when 'checksum'
+      when "checksum"
         OptionParser.new do |opts|
           opts.banner = "Usage: ppkg checksum FILE"
         end.parse!(argv)
         file = argv.first
         puts Picopackage::SourceFile.from_file(file).checksum
 
-      when 'verify'
+      when "verify"
         OptionParser.new do |opts|
           opts.banner = "Usage: ppkg sign FILE"
         end.parse!(argv)
@@ -38,7 +38,7 @@ module Picopackage
         path = argv.first
         source = SourceFile.from_file(path)
 
-        if source.metadata['content_checksum'].nil?
+        if source.metadata["content_checksum"].nil?
           puts "⚠️  No checksum found in #{path}"
           puts "Run 'ppkg sign #{path}' to add one"
           exit 1
@@ -46,14 +46,14 @@ module Picopackage
 
         unless source.verify
           puts "❌ Checksum verification failed for #{path}"
-          puts "Expected: #{source.metadata['content_checksum']}"
+          puts "Expected: #{source.metadata["content_checksum"]}"
           puts "Got:      #{source.checksum}"
           exit 1
         end
-  
+
         puts "✅ #{path} verified successfully"
 
-      when 'inspect'
+      when "inspect"
         OptionParser.new do |opts|
           opts.banner = "Usage: ppkg inspect FILE|DIRECTORY"
         end.parse!(argv)
@@ -61,21 +61,21 @@ module Picopackage
         path = argv.first
         Picopackage::SourceFile.from_file(path).inspect
 
-      when 'fetch'
-        options = { force: false }
+      when "fetch"
+        options = {force: false}
         OptionParser.new do |opts|
           opts.banner = "Usage: ppkg fetch [options] URI [PATH]"
-          opts.on('-f', '--force', 'Force fetch') { |f| options[:force] = f }
+          opts.on("-f", "--force", "Force fetch") { |f| options[:force] = f }
         end.parse!(argv)
-      
+
         url = argv.shift
-        path = argv.shift || '.'  # use '.' if no path provided
-      
+        path = argv.shift || "."  # use '.' if no path provided
+
         if url.nil?
           puts "Error: URI is required"
           exit 1
         end
-      
+
         begin
           Fetch.fetch(url, path, force: options[:force])
         rescue LocalModificationError => e
@@ -85,11 +85,11 @@ module Picopackage
           exit 1
         end
 
-      when 'update'
-        options = { force: false }
+      when "update"
+        options = {force: false}
         OptionParser.new do |opts|
           opts.banner = "Usage: ppkg update [options] FILE"
-          opts.on('-f', '--force', 'Force update') { |f| options[:force] = f }
+          opts.on("-f", "--force", "Force update") { |f| options[:force] = f }
         end.parse!(argv)
 
         file = argv.first
@@ -113,8 +113,8 @@ module Picopackage
       exit 1
     rescue => e
       puts "Error: #{e.message}"
-      puts e.backtrace if ENV['DEBUG']
+      puts e.backtrace if ENV["DEBUG"]
       exit 1
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/picopackage/fetch.rb b/lib/picopackage/fetch.rb
index a32a044..5d2614f 100644
--- a/lib/picopackage/fetch.rb
+++ b/lib/picopackage/fetch.rb
@@ -1,8 +1,8 @@
-require 'net/http'
-require 'fileutils'
-require 'tempfile'
-require 'json'
-require 'debug'
+require "net/http"
+require "fileutils"
+require "tempfile"
+require "json"
+require "debug"
 
 module Picopackage
   class Fetch
@@ -45,26 +45,25 @@ module Picopackage
   end
 
   class Status
-    attr_reader :state, :local_version, :remote_version
+    attr_reader :state, :local_comparison, :remote_comparison
 
     def self.compare(local_source_file, remote_source_file)
       return new(:outdated) if local_source_file.metadata.nil? || remote_source_file.metadata.nil?
 
-      local_version = local_source_file.metadata["version"]
-      remote_version = remote_source_file.metadata["version"]
+      local_comparison = local_source_file.metadata["version"] || local_source_file.metadata["updated_at"]&.to_s
+      remote_comparison = remote_source_file.metadata["version"] || remote_source_file.metadata["updated_at"]&.to_s
 
-      if local_version == remote_version
+      if local_comparison == remote_comparison
         if local_source_file.modified?
-          new(:modified, local_version:)
+          new(:modified, local_version: local_comparison)
         else
-          new(:up_to_date, local_version:)
+          new(:up_to_date, local_version: local_comparison)
         end
       else
-        new(:outdated, 
-          local_version:, 
-          remote_version:,
-          modified: local_source_file.modified?
-        )
+        new(:outdated,
+          local_version: local_comparison,
+          remote_version: remote_comparison,
+          modified: local_source_file.modified?)
       end
     end
 
@@ -93,9 +92,9 @@ module Picopackage
         "Picopackage is up to date"
       when :outdated
         if modified?
-          "Local Picopackage (v#{local_version}) has modifications but remote version (v#{remote_version}) is available"
+          "Local Picopackage (v#{local_comparison}) has modifications but remote version (v#{remote_comparison}) is available"
         else
-          "Local Picopackage (v#{local_version}) is outdated. Remote version: v#{remote_version}"
+          "Local Picopackage (v#{local_comparison}) is outdated. Remote version: v#{remote_comparison}"
         end
       when :modified
         "Local Picopackage has been modified from original version (v#{local_version})"
diff --git a/lib/picopackage/http_fetcher.rb b/lib/picopackage/http_fetcher.rb
deleted file mode 100644
index 6b16f28..0000000
--- a/lib/picopackage/http_fetcher.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-# Currently unused. If we get to the point where a provider needs to make a http request, we'll 
-# swappout DefaultProvider#fetch and include this module.
-
-module Picopackage
-  module HttpFetcher
-    MAX_SIZE = 1024 * 1024
-    TIMEOUT = 10
-
-    # This seemed to cause loops - constanting making requests to the same URL
-    
-    def fetch_url(url, max_size: MAX_SIZE, timeout: TIMEOUT)
-      raise ArgumentError, "This method shouldn't be called"
-      uri = URI(url)
-
-      Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == 'https', read_timeout: timeout, open_timeout: timeout) do |http|
-        request = Net::HTTP::Get.new(uri.path)
-
-        http.request_get(uri.path) do |response|
-          unless response.is_a?(Net::HTTPSuccess)
-            raise FetchError, "HTTP #{response.code} #{response.message}"
-          end
-        
-          data = String.new(capacity: max_size)
-          response.read_body do |chunk|
-            # Stream chunks with size checking
-            if data.bytesize + chunk.bytesize > max_size
-              raise FileTooLargeError
-            end
-            data << chunk
-          end
-        end
-        data
-      end
-    end
-  end
-end
diff --git a/lib/picopackage/provider.rb b/lib/picopackage/provider.rb
index 30cae51..9a09f5f 100644
--- a/lib/picopackage/provider.rb
+++ b/lib/picopackage/provider.rb
@@ -1,3 +1,5 @@
+require "time"
+
 module Picopackage
   class Provider
     def self.for(url)
@@ -17,18 +19,18 @@ module Picopackage
   end
 
   # Base class for fetching content from a URL
-  # The variable `body` will contain the content retrieved from the URL
-  # The variable `content` will contain both and code + metadata - this would be writen to a file.
-  # The variable `code` will contain the code extracted from `content`
-  # The variable `metadata` will contain the metadata extracted from `content`
+  # The variable `body` will contain the package_data retrieved from the URL
+  # The variable `package_data` will contain both and payload + metadata - this would be writen to a file.
+  # The variable `payload` will contain the payload extracted from `package_data`
+  # The variable `metadata` will contain the metadata extracted from `package_data`
 
-  # Job of the Provider class is to fetch the body from the URL, and then extract the content and the filename from the body
-  # The SourceFile class will then take the body and split it into code and metadata
+  # Job of the Provider class is to fetch the body from the URL, and then extract the package_data
+  # and the filename from the body. The SourceFile class will then take the body and split it into payload and metadata
 
   class DefaultProvider
     MAX_SIZE = 1024 * 1024
     TIMEOUT = 10
-    attr_reader :url, :source_file
+    attr_reader :url
 
     def self.handles_url?(url) = :maybe
 
@@ -40,65 +42,79 @@ module Picopackage
     end
 
     def body = @body ||= fetch
+
     def json_body = @json_body ||= JSON.parse(body)
+
     def transform_url(url) = url
 
     def fetch
-      begin
-        Net::HTTP.start(@uri.host, @uri.port, use_ssl: @uri.scheme == 'https', read_timeout: TIMEOUT, open_timeout: TIMEOUT) do |http|
-          http.request_get(@uri.path) do |response|
-            raise "Unexpected response: #{response.code}" unless response.is_a?(Net::HTTPSuccess)
+      Net::HTTP.start(@uri.host, @uri.port, use_ssl: @uri.scheme == "https", read_timeout: TIMEOUT, open_timeout: TIMEOUT) do |http|
+        http.request_get(@uri.path) do |response|
+          raise "Unexpected response: #{response.code}" unless response.is_a?(Net::HTTPSuccess)
 
-            @body = String.new(capacity: MAX_SIZE)
-            response.read_body do |chunk|
-              if @body.bytesize + chunk.bytesize > MAX_SIZE
-                raise FileTooLargeError, "Response would exceed #{MAX_SIZE} bytes"
-              end
-              @body << chunk
+          @body = String.new(capacity: MAX_SIZE)
+          response.read_body do |chunk|
+            if @body.bytesize + chunk.bytesize > MAX_SIZE
+              raise FileTooLargeError, "Response would exceed #{MAX_SIZE} bytes"
             end
-            @body
+            @body << chunk
           end
+          @body
         end
       end
+
       @body
     end
 
     def handles_body?
       true
-    rescue FileTooLargeError, Net::HTTPError, RuntimeError => e
+    rescue FileTooLargeError, Net::HTTPError, RuntimeError
       false
     end
 
-    # Implement in subclass - this come from the `body`. 
-    # Spliting content into code and metadata is the job of the SourceFile class
+    # Implement in subclass - this come from the `body`.
+    # Spliting content into payload and metadata is the job of the SourceFile class
     def content = body
 
     # Implement in subclass - this should return the filename extracted from the body - if it exists, but not from the metadata
     def filename = File.basename @url
 
     def source_file
-      @source_file ||= SourceFile.from_content(content, metadata: {'filename' => filename, 'url' => url, 'version' => '0.0.1'})
+      @source_file ||= SourceFile.from_content(content, metadata: {"filename" => filename, "url" => url, "packaged_at" => packaged_at}.compact)
     end
   end
 
   class GithubGistProvider < DefaultProvider
     def self.handles_url?(url) = url.match?(%r{gist\.github\.com})
+
     def content = json_body["files"].values.first["content"]
+
     def filename = json_body["files"].values.first["filename"]
+
     def transform_url(url)
       gist_id = url[/gist\.github\.com\/[^\/]+\/([a-f0-9]+)/, 1]
       "https://api.github.com/gists/#{gist_id}"
     end
+
+    def packaged_at
+      Time.parse(json_body["created_at"])
+    rescue ArgumentError
+      nil
+    end
   end
 
   class OpenGistProvider < DefaultProvider
     def handles_url?(url) = :maybe
+
     def transform_url(url) = "#{url}.json"
-    def content = json_body.dig("files",0, "content")
-    def filename = json_body.dig("files",0, "filename")
+
+    def content = json_body.dig("files", 0, "content")
+
+    def filename = json_body.dig("files", 0, "filename")
+
     def handles_body?
       content && filename
-    rescue FileTooLargeError, Net::HTTPError, RuntimeError => e
+    rescue FileTooLargeError, Net::HTTPError, RuntimeError
       false
     end
     # If we successfully fetch the body, and the body contains content and a filename, then we can handle the body
@@ -109,4 +125,4 @@ module Picopackage
     OpenGistProvider,
     DefaultProvider
   ].freeze
-end
\ No newline at end of file
+end
diff --git a/lib/picopackage/scanner.rb b/lib/picopackage/scanner.rb
index 72a8219..e38f8cf 100644
--- a/lib/picopackage/scanner.rb
+++ b/lib/picopackage/scanner.rb
@@ -8,4 +8,4 @@ module Picopackage
       end.map { |file| SourceFile.new(file) }
     end
   end
-end
\ No newline at end of file
+end
diff --git a/lib/picopackage/source_file.rb b/lib/picopackage/source_file.rb
index ba0508f..62af8ff 100644
--- a/lib/picopackage/source_file.rb
+++ b/lib/picopackage/source_file.rb
@@ -8,7 +8,7 @@ module Picopackage
     METADATA_PATTERN = /^\n*#\s*@PICOPACKAGE_START\n(.*?)^\s*#\s*@PICOPACKAGE_END\s*$/m
 
     def self.from_file(file_path) = new(content: File.read(file_path), original_path: file_path)
-  
+
     def self.from_content(content, metadata: {})
       instance = new(content: content)
       instance.imported! if instance.metadata.empty?
@@ -25,21 +25,21 @@ module Picopackage
       @original_path = original_path
 
       @content = content
-      @metadata = extract_metadata
       @code = extract_code
+      @metadata = extract_metadata
     end
 
     def imported! = @imported = true
 
     def imported? = @imported ||= false
 
-    def content = @content
-    
-    def url = @metadata['url']
+    def url = @metadata["url"]
 
-    def filename = @metadata['filename']
+    def filename = @metadata["filename"]
 
-    def version = @metadata['version'] || '0.0.1'
+    def version = @metadata["version"]
+
+    def packaged_at = @metadata["packaged_at"]
 
     def checksum = "sha256:#{Digest::SHA256.hexdigest(code)}"
 
@@ -51,15 +51,15 @@ module Picopackage
       path
     end
 
-    def extract_code = content.sub(METADATA_PATTERN, '')
+    def extract_code = content.sub(METADATA_PATTERN, "")
 
     def extract_metadata
       return {} unless content =~ METADATA_PATTERN
-  
+
       yaml_content = $1.lines.map do |line|
-        line.sub(/^\s*#\s?/, '').rstrip
+        line.sub(/^\s*#\s?/, "").rstrip
       end.join("\n")
-  
+
       YAML.safe_load(yaml_content)
     end
 
@@ -67,19 +67,19 @@ module Picopackage
       @metadata = metadata_hash
       @content = generate_content
     end
-    
+
     def digest!
       hash = checksum
-      return puts "File already has a checksum" if metadata['content_checksum'] == hash
-  
-      new_metadata = metadata.merge('content_checksum' => hash)
+      return puts "File already has a checksum" if metadata["content_checksum"] == hash
+
+      new_metadata = metadata.merge("content_checksum" => hash)
       update_metadata(new_metadata)
       save
     end
 
     def verify
-      return false unless metadata.key? 'content_checksum'
-      checksum == metadata['content_checksum']
+      return false unless metadata.key? "content_checksum"
+      checksum == metadata["content_checksum"]
     end
 
     def modified? = !verify
@@ -88,13 +88,13 @@ module Picopackage
 
     def generate_content
       metadata_block = generate_metadata
-      if content =~ METADATA_PATTERN
+      if METADATA_PATTERN.match?(content)
         content.sub(METADATA_PATTERN, "\n#{metadata_block}")
       else
         [content.rstrip, "\n#{metadata_block}"].join("\n")
       end
     end
-    
+
     # This will need a comment style one day, to work with other languages
     def generate_metadata
       yaml_content = @metadata.to_yaml.strip
@@ -115,6 +115,5 @@ module Picopackage
         destination
       end
     end
-
   end
-end
\ No newline at end of file
+end
diff --git a/picopackage.gemspec b/picopackage.gemspec
index edc3c33..1fa37a4 100644
--- a/picopackage.gemspec
+++ b/picopackage.gemspec
@@ -14,11 +14,11 @@ Gem::Specification.new do |spec|
   spec.license = "MIT"
   spec.required_ruby_version = ">= 3.1.0"
 
-  #spec.metadata["allowed_push_host"] = "TODO: Set to your gem server 'https://example.com'"
+  # spec.metadata["allowed_push_host"] = "TODO: Set to your gem server 'https://example.com'"
 
-  #spec.metadata["homepage_uri"] = spec.homepage
-  #spec.metadata["source_code_uri"] = "TODO: Put your gem's public repo URL here."
-  #spec.metadata["changelog_uri"] = "TODO: Put your gem's CHANGELOG.md URL here."
+  # spec.metadata["homepage_uri"] = spec.homepage
+  # spec.metadata["source_code_uri"] = "TODO: Put your gem's public repo URL here."
+  # spec.metadata["changelog_uri"] = "TODO: Put your gem's CHANGELOG.md URL here."
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -37,7 +37,8 @@ Gem::Specification.new do |spec|
   spec.add_dependency "yaml", "~> 0.4"
   spec.add_dependency "digest"
   spec.add_development_dependency "debug"
-  
+  spec.add_development_dependency "standard"
+
   # For more information and examples about making a new gem, check out our
   # guide at: https://bundler.io/guides/creating_gem.html
 end
diff --git a/test/files/broken_front_matter_1.rb b/test/files/broken_front_matter_1.rb
index f12d713..e6a871b 100644
--- a/test/files/broken_front_matter_1.rb
+++ b/test/files/broken_front_matter_1.rb
@@ -6,4 +6,4 @@
 # content_hash: sha256:d747c448ce60a6ef1a8372f7c7eee10160075acbed6412a12c2f6d71ca8b2f76
 # @META_END
 require "cgi"
-puts "hi"
\ No newline at end of file
+puts "hi"
diff --git a/test/test_picopackage.rb b/test/test_picopackage.rb
index c309b22..467b91c 100644
--- a/test/test_picopackage.rb
+++ b/test/test_picopackage.rb
@@ -7,7 +7,8 @@ class TestPicopackage < Minitest::Test
     refute_nil ::Picopackage::VERSION
   end
 
-  def test_it_does_something_useful
-    assert false
+  def test_it_can_load_a_picopackage_file
+    sf = Picopackage::SourceFile.from_content(File.read("test/files/uniquify_array.rb"))
+    assert_equal sf.metadata["filename"], "uniquify_array.rb"
   end
 end