diff --git a/src/MiniDocs/GrafoscopioNode.class.st b/src/MiniDocs/GrafoscopioNode.class.st
index 280d2f4..d4bc35c 100644
--- a/src/MiniDocs/GrafoscopioNode.class.st
+++ b/src/MiniDocs/GrafoscopioNode.class.st
@@ -15,7 +15,8 @@ Class {
 		'edited',
 		'headers',
 		'key',
-		'output'
+		'output',
+		'remoteLocations'
 	],
 	#category : #MiniDocs
 }
@@ -26,6 +27,11 @@ GrafoscopioNode class >> fromFile: aFileReference [
 	^ (STON fromString: aFileReference contents) first parent
 ]
 
+{ #category : #accessing }
+GrafoscopioNode >> addRemoteLocation: anURL [ 
+	self remoteLocations add: anURL 
+]
+
 { #category : #accessing }
 GrafoscopioNode >> ancestors [
 	"I return a collection of all the nodes wich are ancestors of the receiver node"
@@ -115,12 +121,25 @@ GrafoscopioNode >> earliestCreationDate [
 	
 	self nodesWithCreationDates ifNotEmpty: [
 	earliest := self nodesWithCreationDates first created]
-	ifEmpty: [ earliest := self ].
+	ifEmpty: [ earliest := self earliestRepositoryTimestamp].
 	self nodesWithCreationDates do: [:node |
 		node created <= earliest ifTrue: [ earliest := node created ] ].
 	^ earliest
 ]
 
+{ #category : #accessing }
+GrafoscopioNode >> earliestRepositoryTimestamp [
+	| remote fossilHost docSegments repo |
+	remote := self remoteLocations first asUrl.
+	fossilHost := 'https://mutabit.com/repos.fossil'.
+	(remote asString includesSubstring: fossilHost) ifFalse: [ ^ false ].
+	docSegments := remote segments copyFrom: 5 to: remote segments size.
+	repo := FossilRepo new
+		remote: (remote scheme, '://', remote host, '/', remote segments first, '/', remote segments second). 
+	^ repo
+		firstCheckinFor:  ('/' join: docSegments)
+]
+
 { #category : #accessing }
 GrafoscopioNode >> edited [
 	^ edited ifNotNil: [^ edited asDateAndTime ]
@@ -245,6 +264,11 @@ GrafoscopioNode >> printOn: aStream [
 		nextPutAll: '( ', self header, ' )'
 ]
 
+{ #category : #accessing }
+GrafoscopioNode >> remoteLocations [
+	^ remoteLocations ifNil: [ remoteLocations := OrderedCollection new]
+]
+
 { #category : #accessing }
 GrafoscopioNode >> root [
 	self level = 0 ifTrue: [ ^ self ].