diff --git a/repository/Grafoscopio/GrafoscopioBrowser.class.st b/repository/Grafoscopio/GrafoscopioBrowser.class.st
index e2a2ad8..f9ee852 100644
--- a/repository/Grafoscopio/GrafoscopioBrowser.class.st
+++ b/repository/Grafoscopio/GrafoscopioBrowser.class.st
@@ -87,38 +87,31 @@ GrafoscopioBrowser class >> configureSettings [
 { #category : #updating }
 GrafoscopioBrowser class >> downloadTutorial [
 	"I download the interactive tutorial in STON format.
-	I define some metadata associated to the tutorial document. 
-	Language is provided according to the ISO 639-1 code convention."
+	If a the tutorial is already present in the system I made a temporal backup and download a new copy"
 
-	| doc client |
+	| client localTutorial temporalBackup remoteTutorial |
 	
-	doc := Dictionary
-		with: 'type' -> 'tutorial'
-		with: 'language' -> 'ES_CO'
-		with: 'remote' -> 'http://mutabit.com/repos.fossil/grafoscopio/doc/tip/Docs/Es/Tutoriales/tutorial.ston'
-		with: 'local' -> './Docs/Es/Tutoriales/'.
-	((doc at: 'local'), 'tutorial.ston') asFileReference exists
+	localTutorial := './', (self tutorialData at: 'relativePath'), (self tutorialData at: 'filename').
+	temporalBackup := './', (self tutorialData at: 'relativePath'), 'tutorial.temp.ston'.
+	remoteTutorial := (self tutorialData at: 'remoteRepo'), 'doc/tip/', (self tutorialData at: 'relativePath'), (self tutorialData at: 'filename').
+	localTutorial asFileReference exists
 		ifTrue: [ 
-			((doc at: 'local'), 'tutorial.temp.ston') asFileReference exists 
-				ifTrue: [ ((doc at: 'local'), 'tutorial.temp.ston') asFileReference delete].
-			((doc at: 'local'), 'tutorial.ston') asFileReference renameTo: 'tutorial.temp.ston' 
+			temporalBackup asFileReference exists ifTrue: [ temporalBackup asFileReference delete].
+			localTutorial asFileReference renameTo: 'tutorial.temp.ston' 
 		].
-	[:bar |
+	[: bar |
 		bar title: 'Actualizando el tutorial...'.
 		[client := ZnClient new.
 		 client 
-			get: (doc at: 'remote');
+			get: remoteTutorial;
 			signalProgress: true;
-			downloadTo: (doc at: 'local'). 
-		]
+			downloadTo: ('./', (self tutorialData at: 'relativePath')). ]
 			on: HTTPProgress  
 			do: [ :progress |
 				progress isEmpty ifFalse: [ bar current: progress percentage ].
 				progress resume ].
 	
 	] asJob run.
-	client isSuccess
-		ifFalse: [ self inform: 'Algo salió mal. Verifique su conexión a Internet.' ]
 ]
 
 { #category : #'graphical interface' }
@@ -267,11 +260,11 @@ GrafoscopioBrowser class >> startDockingBar [
 	
 	launchMenu := MenuMorph new.
 	launchMenu 
-		add: 'Documento interactivo nuevo' target: GrafoscopioBrowser selector: #open;
-		add: 'Documento interactivo desde archivo' target: (GrafoscopioBrowser new) selector: #openFromFileSelector;
-		add: 'Documento interactivo desde Internet' target: (GrafoscopioBrowser new) selector: #openFromUrlUI;
-	 	add: 'Documentos interactivos recientes' target: GrafoscopioBrowser selector: #openFromRecentlyUsed;
-		add: 'Documentos interactivos de ejemplo' target: GrafoscopioBrowser selector: #messageNotImplementedYet;
+		add: 'Cuaderno nuevo' target: GrafoscopioBrowser selector: #open;
+		add: 'Cuaderno desde archivo...' target: (GrafoscopioBrowser new) selector: #openFromFileSelector;
+		add: 'Cuaderno desde Internet...' target: (GrafoscopioBrowser new) selector: #openFromUrlUI;
+	 	add: 'Cuadernos recientes...' target: GrafoscopioBrowser selector: #openFromRecentlyUsed;
+		add: 'Cuadernos de ejemplo' target: GrafoscopioBrowser selector: #messageNotImplementedYet;
 		add: 'Ejemplos de visualizaciones en Roassal' target: (RTExampleBrowser new) selector: #open;
 		add: 'Playground' target: (Smalltalk tools) selector: #openWorkspace;
 		add: 'Transcript' target: (Smalltalk tools) selector: #openTranscript.
@@ -307,6 +300,39 @@ GrafoscopioBrowser class >> startDockingBar [
      	openInWorld.
 ]
 
+{ #category : #updating }
+GrafoscopioBrowser class >> tutorialData [
+	"I define some metadata associated to the tutorial document. 
+	Language is provided according to the ISO 639-1 code convention."
+
+	| docData |
+	
+	docData := Dictionary
+		with: 'type' -> 'tutorial'
+		with: 'languageCode' -> 'ES_CO'
+		with: 'remoteRepo' -> 'http://mutabit.com/repos.fossil/grafoscopio/'
+		with: 'relativePath' -> 'Docs/Es/Tutoriales/'
+		with: 'filename' -> 'tutorial.ston'.
+	^ docData
+	
+]
+
+{ #category : #updating }
+GrafoscopioBrowser class >> tutorialIsUpdated [
+	"I compare the cryptografic signatures of the local copy of the tutorial and the remote one to see if the're the same,
+	in which case I return True or False in any other cases."
+
+	| folderLastContents lastRemoteTutorial localTutorial |
+	
+	localTutorial := './', (GrafoscopioBrowser tutorialData at: 'relativePath'), (GrafoscopioBrowser tutorialData at: 'filename').
+	folderLastContents := NeoJSONReader fromString:
+	    (ZnEasy get: (self tutorialData at: 'remoteRepo'), 'json/dir?ci=tip&name=', (self tutorialData at: 'relativePath')) contents.
+	lastRemoteTutorial := ((folderLastContents at: 'payload') at: 'entries') 
+									detect: [:entry | (entry at: 'name') = (self tutorialData at: 'filename') ].
+	^ (lastRemoteTutorial at: 'uuid') = (SHA1 new hashMessage: (localTutorial asFileReference contents)) hex
+	
+]
+
 { #category : #updating }
 GrafoscopioBrowser class >> updateDataviz [
 	"Updates Dataviz package with new versions of itself take from the source code repository and 
@@ -369,39 +395,6 @@ GrafoscopioBrowser class >> updateDocumentation [
 		].
 ]
 
-{ #category : #updating }
-GrafoscopioBrowser class >> updateDocumentationTemp [
-	"Updates documentation (manual, tutorials) from official repository"
-
-		| update filePath fileLocation client docs |
-	update := (UIManager default 
-					confirm: '¿Desea actualizar la documentación?' 
-					label: 'Actualizar documentación').				
-	update 
-		ifTrue: [
-			docs := Dictionary
-				with: 'tutorial' -> (Dictionary 
-					with: 'remote' -> 'http://mutabit.com/repos.fossil/grafoscopio/doc/tip/Docs/Es/Tutoriales/tutorial.ston'
-					with: 'local' -> './Docs/Es/Tutoriales/'
-				).
-			docs do: [:each | 
-				client := ZnClient new.
-				client get: (each at: 'remote').
-				client isSuccess
-					ifFalse: [ self inform: 'Algo salió mal. Verifique su conexión a Internet.' ]
-					ifTrue: [  
-						filePath := each at: 'local'.
-						filePath asFileReference ensureCreateDirectory.
-						fileLocation := filePath, ((each at: 'remote') splitOn: '/') last.
-						fileLocation asFileReference 
-							writeStreamDo: [:stream |
-								  stream write: client contents utf8Decoded asString].	
-					].
-				self inform: 'Actualización de la documentación terminada'.
-			]
-		].
-]
-
 { #category : #updating }
 GrafoscopioBrowser class >> updateGrafoscopio [
 	"Updates Grafoscopio with new versions of itself take from the source code repository and 
@@ -549,12 +542,20 @@ GrafoscopioBrowser class >> updateSystem [
 GrafoscopioBrowser class >> updateTutorial [
 	"I Update main tutorial from official repository"
 
-		| update |
-	update := (UIManager default 
+	| update unnecessaryUpdate |
+	update := UIManager default 
 					confirm: '¿Desea actualizar el tutorial?' 
-					label: 'Actualizar el tutorial').				
+					label: 'Actualizar el tutorial'.				
 	update 
-		ifTrue: [self downloadTutorial]
+		ifTrue: [
+			self tutorialIsUpdated 
+				ifFalse: [self downloadTutorial]
+				ifTrue: [
+					unnecessaryUpdate := UIManager default 
+						abort: 'El tutorial ya se encuentra en su versión más reciente.'
+						title: 'Nada que actualizar!'
+				]
+		]
 ]
 
 { #category : #updating }
@@ -614,29 +615,6 @@ GrafoscopioBrowser >> addToTagsAvailable [
 
 ]
 
-{ #category : #'graphical interface' }
-GrafoscopioBrowser >> body2ForTransmediaIn: constructor for: aNode [
-	"Shows the body of a transmedia type of nodes, which are tagged as 'original' and 'transmediado'"
-	| innerBrowser originalNode transmediaNode |
-	
-	aNode tags = 'original'
-		ifFalse: [^self ]
-		ifTrue: [
-			innerBrowser := GLMTabulator new.
-			GLMTabulator new.
-			innerBrowser
-    			column: [ :c |
-					c  row: [ :r | r column: #original; column: #transmediado] span: 7";
-				row: #buttons; span: 1"].
-			originalNode := aNode.
-			originalNode children isNotNil 
-				ifTrue: [transmediaNode := originalNode children detect: [:node | node tags = 'transmediado'] 
-					ifNone: [ transmediaNode := nil ] ].
-			constructor custom: innerBrowser]
-	
-	
-]
-
 { #category : #'graphical interface' }
 GrafoscopioBrowser >> bodyForCodeIn: constructor for: aNode [
 	"Shows the body of a node as an interactive playground. If node is not tagged it will return itself,
@@ -652,24 +630,6 @@ GrafoscopioBrowser >> bodyForCodeIn: constructor for: aNode [
 
 ]
 
-{ #category : #'graphical interface' }
-GrafoscopioBrowser >> bodyForTransmediaIn: constructor for: aNode [
-	"Shows the body of a transmedia type of nodes, which are tagged as 'original' and 'transmediado'"
-	
-	aNode tags = 'original'
-		ifFalse: [^self ]
-		ifTrue: [constructor custom: (self panelTransmediaFor: aNode)]
-	
-	
-]
-
-{ #category : #'graphical interface' }
-GrafoscopioBrowser >> bodyForTransmediaOn: constructor [
-	"Shows the body of a transmedia type of node"
-
-	constructor custom: self panelBrowserForTransmediaton.
-]
-
 { #category : #'graphical interface' }
 GrafoscopioBrowser >> bodyIn: constructor [
 	"Shows the body of a selected node"
@@ -689,7 +649,7 @@ GrafoscopioBrowser >> bodyIn: constructor for: aNode [
 	
 	| specialTags |
 		
-	specialTags := #('código' 'original').	
+	specialTags := #('código').	
 	(specialTags includes: aNode tags) 
 		ifTrue: [^self ].
 	(constructor text)
@@ -732,7 +692,7 @@ browser
 (browser transmit)
     to: #nodeBody;
     from: #tree;
-    andShow: [ :a | self bodyIn: a].
+    andShow: [ :a | self bodyIn: a asString].
 (browser transmit )
 	 from: #tree port: #selection;
 	 from: #nodeBody port: #text;
@@ -796,8 +756,7 @@ browser
 	when: [:selection | selection notNil];
    andShow: [ :a :node | 
 		self bodyIn: a for: node.
-		self bodyForCodeIn: a for: node.
-		self bodyForTransmediaIn: a for: node ].
+		self bodyForCodeIn: a for: node].
 (browser transmit )
 	from: #tree port: #selection;
 	from: #nodeBody port: #text;
@@ -806,7 +765,7 @@ browser
 	transformed: [:node :content | 
 		node tags = 'código'
 			ifFalse: [node body: content asString]
-			ifTrue: [node body: content]].
+			ifTrue: [node body: content asString]].
 (browser transmit)
 	 from: #tree;
     to: #nodeHeader;
@@ -819,57 +778,6 @@ browser
 	 transformed: [:node :text | node header: text asString]
 ]
 
-{ #category : #'graphical interface' }
-GrafoscopioBrowser >> buildBrowserNamed: aName inMode: aModeName [
-"Main method for building the interface for trees and its nodes. The name of the browser corresponds to the name of the file 
-where tree is stored (or is named 'draft.ston' by default). The name of the mode correspond to a way of showing and dealing with
-the data. 
-
-The idea is to support several modes in the future, starting with the 'Transmediaton' mode and adding more as needed."
-
-self configureInitialTags.
-
-browser := GLMTabulator new
-	title: aName, ' | Grafoscopio'.
-
-browser
-    column: [:c | 
-		c 	row: #tree span: 6;
-			row: #nodeHeader span: 1] span: 2;
-    column: [ :c |
-              c row: #nodeBody span: 2] span: 5.
-browser 
-	updateOn: GLMItemAdded from: #yourself;
-	updateOn: GLMItemRemoved from: #yourself.
-		
-(browser transmit)
-    to: #tree;
-    andShow: [:a | self treeOn: a].
-"Creating a self updatable body pane"
-(browser transmit)
-    to: #nodeBody;
-    from: #tree;
-    andShow: [ :a | 
-		(aModeName = 'transmedia') 
-			ifTrue: [self bodyForTransmediaOn: a]].
-(browser transmit )
-	 from: #tree port: #selection;
-	 from: #nodeBody port: #text;
-	 when: [:node :text | text notNil];
-	 to: #nodeBody port: #neverland;
-	 transformed: [:node :text | node body: text asString].
-(browser transmit)
-	 from: #tree;
-    to: #nodeHeader;
-    andShow: [ :h | self headerOn: h ].
-(browser transmit )
-	 from: #tree port: #selection;
-	 from: #nodeHeader port: #text;
-	 when: [:node :text | text notNil];
-	 to: #nodeHeader port: #neverland1;
-	 transformed: [:node :text | node header: text asString]
-]
-
 { #category : #'persistance / repositories' }
 GrafoscopioBrowser >> commitToRepository [
 	"Commits to the associated repository for the current document tree. 
@@ -1137,24 +1045,6 @@ GrafoscopioBrowser >> openFromFile: aFileName [
 	browser openOn: mainTree children.
 ]
 
-{ #category : #persistence }
-GrafoscopioBrowser >> openFromFile: aFileName inMode: aModeName [
-"Opens a tree from a file named aFileName"
-
-	| currentChildren |
-	GrafoscopioBrowser configureSettings.
-							
-	aFileName isNil ifTrue: [ ^nil ].
-	workingFile := aFileName name asFileReference.
-	currentChildren := (STON fromString: aFileName contents).
-	self buildBrowserNamed: aFileName basenameWithIndicator inMode: aModeName.
-	mainTree := GrafoscopioNode new
-		header: 'Arbol principal';
-		level: 0.
-	mainTree children: currentChildren.
-	browser openOn: mainTree children.
-]
-
 { #category : #persistence }
 GrafoscopioBrowser >> openFromFileSelector [
 	"Opens a tree from a file by using the file selector GUI."
@@ -1238,21 +1128,6 @@ GrafoscopioBrowser >> openLandscape [
 
 ]
 
-{ #category : #persistence }
-GrafoscopioBrowser >> openLast [
-	"Opens a new browser with a fixed 'last' working tree. May be this should be changed"
-	| workingFile currentChildren| "workingChildren would sound too cruel!"
-	self buildBrowser.
-	workingFile := '/home/offray/Documentos/U/Libertadores/Grafoscopio/bootstrapping-objeto-investigacion.ston' asFileReference  readStream.
-	currentChildren := (STON fromStream: workingFile).
-	mainTree := GrafoscopioNode new
-		header: 'Bootstrapping the research object';
-		level: 0.
-	mainTree children: currentChildren.
-	browser openOn: mainTree children.
-
-]
-
 { #category : #persistence }
 GrafoscopioBrowser >> openTutorialInGrafoscopio [
 "Opens the help tree from a file"
@@ -1269,15 +1144,6 @@ GrafoscopioBrowser >> openTutorialInGrafoscopio [
 	browser openOn: mainTree children.
 ]
 
-{ #category : #persistence }
-GrafoscopioBrowser >> openWorking [
-	"Opens a new browser with the last working tree"
-	self buildBrowser.
-	mainTree := '/home/offray/Documentos/U/Libertadores/Grafoscopio/bootstrapping-objeto-investigacion.ston' asFileReference  readStream.
-	browser openOn: mainTree children.
-
-]
-
 { #category : #'graphical interface' }
 GrafoscopioBrowser >> panelAsCodeFor: aNode [
 	"Shows an interactive playground for Smalltalk code in a node body"
@@ -1287,9 +1153,9 @@ GrafoscopioBrowser >> panelAsCodeFor: aNode [
 	browser column: #code.
 	browser transmit 
 		to: #code;
-		transformed: [ GTPlayPage new content: aNode body ]; 
+		transformed: [ GTPlayPage new content: aNode body asString]; 
 		andShow: [ :a | a custom: GTPlayground new ].
-	browser sendToOutside: #nodeBody from: #code -> #text.
+	browser sendToOutside: (#nodeBody asString) from: #code -> #text.
 	^ browser.
 ]
 
diff --git a/repository/Grafoscopio/GrafoscopioNode.class.st b/repository/Grafoscopio/GrafoscopioNode.class.st
index e0d63b7..519e603 100644
--- a/repository/Grafoscopio/GrafoscopioNode.class.st
+++ b/repository/Grafoscopio/GrafoscopioNode.class.st
@@ -85,7 +85,7 @@ GrafoscopioNode >> addNodeAfter [
 
 { #category : #accessing }
 GrafoscopioNode >> ancestors [
-	"Returns a collection of all the nodes wich are ancestors of the receiver node"
+	"I return a collection of all the nodes wich are ancestors of the receiver node"
 	| currentNode ancestors |
 	
 	currentNode := self.
@@ -102,8 +102,9 @@ GrafoscopioNode >> ancestors [
 
 { #category : #accessing }
 GrafoscopioNode >> ancestorsHeaders [
-	"Returns the headers of all the ancestors of the node. Maybe this and 'headers' should be integrated, so both act on a collection of
-	children instead of having two separate methods"
+	"Returns the headers of all the ancestors of the node. 
+	Maybe this and 'headers' should be integrated, so both act on a collection of children instead of 
+	having two separate methods"
 	| currentNode ancestors |
 	
 	currentNode := self.
@@ -146,43 +147,31 @@ GrafoscopioNode >> asSton [
 
 { #category : #initialization }
 GrafoscopioNode >> becomeDefaultTestTree [
-	| node1 node2 node3 |
+	| node1 node2 |
 	self level: 0.
 	self header: 'Arbol principal'.	
 	node1 := GrafoscopioNode new
-		header: 'Nodo 1';
-		body:  'Texto 1'.
+		header: 'Markup';
+		body:  'I am just a node with markup'.
 	node2 := GrafoscopioNode new
-		header: 'Nodo 2';
-		body:  'Texto 2'.
-	node3 := GrafoscopioNode new
-		header: 'Nodo 3';
-		body:  'ProfStef openPharoZenWorkspace';
+		header: 'Code';
+		body:  'PharoTutorial openPharoZenWorkspace';
 		tagAs: 'código'.		
 	self 
 		addNode: node1;
 		addNode: node2.
-	node2 addNode: node3.
 ]
 
 { #category : #initialization }
 GrafoscopioNode >> becomeDefaultTree [
-	| node1 node2 node3    |
+	"I create a starting tree for all grafoscopio notebooks with just one textual node"
+	| node1 |
 	self level: 0.
 	self header: 'Arbol principal'.	
 	node1 := GrafoscopioNode
 		header: 'Nodo 1'
-		body:  'Texto 1'.
-	node2 := GrafoscopioNode
-		header: 'Nodo 2'
-		body:  'Texto 2'.
-	node3 := GrafoscopioNode
-		header: 'Nodo 3'
-		body:  'Texto 3'.		
-	self 
-		addNode: node1;
-		addNode: node2.
-	node2 addNode: node3.
+		body:  'Texto 1'.	
+	self addNode: node1.
 ]
 
 { #category : #accessing }
@@ -343,16 +332,6 @@ GrafoscopioNode >> level: anInteger [
 	level := anInteger 
 ]
 
-{ #category : #accessing }
-GrafoscopioNode >> localRepository [
-	^ localRepository
-]
-
-{ #category : #accessing }
-GrafoscopioNode >> localRepository: anObject [
-	localRepository := anObject
-]
-
 { #category : #exporting }
 GrafoscopioNode >> markdownContent [
 	"Extracts the markdown of a node using body as content, header as title and level as hierarchical level of the title.
@@ -530,40 +509,6 @@ GrafoscopioNode >> removeNode: aNode [
 	
 ]
 
-{ #category : #exporting }
-GrafoscopioNode >> returnConfig [
-	"Detects a children node containing the configuration for the creation of the output files. If nothing is detected,
-	creates defaults for that. Pending:
-	- Verifying that file data in config node is accurate, and if not create the proper locations.
-	- Maybe there is a need to consider if it should run on all the tree, instead of a particular node."
-
-	| configString configNode configDict |
-	
-	configNode := (self children) detect: [:nodeContent | nodeContent header = 'Config' ] ifNone: [ nil ].
-	"This part always enter for the nil option! MUST BE CORRECTED"
-	configNode isNil 
-		ifTrue: [ 
-			configString  := '{  
-			"title": "Boostrapping para el objeto de investigación",
-			"author": {
-				"given": "Offray Vladimir",
-				"family": "Luna Cárdenas"
-			},
-			"file":  {
-				"relative-path" : "U/Libertadores/Grafoscopio/",
-				"name": "bootstrapping-objeto-investigacion",
-				"formats": [   
-					#ston,
-					#markdown 
-				]				
-			}
-			}'
-		] 
-		ifFalse: [ configString := configNode body ].
-		configDict := STON fromString: configString.
-		^configDict 
-]
-
 { #category : #accessing }
 GrafoscopioNode >> saveContent: anObject [
 	"Sets the receivers body to the given object"
@@ -577,8 +522,8 @@ GrafoscopioNode >> tagAs: aTag [
 	know if a tag excludes others from the same node"
 
 	tags := aTag.
-	aTag = 'código'
-		ifTrue: [self body: (GTPlayPage new content: self body) content]
+	"aTag = 'código'
+		ifTrue: [self body: (GTPlayPage new content: self body) content]"
 ]
 
 { #category : #accessing }