diff --git a/client/src/routes/Publish/Files/index.test.tsx b/client/src/routes/Publish/Files/index.test.tsx
index dd6c231..9abee6e 100644
--- a/client/src/routes/Publish/Files/index.test.tsx
+++ b/client/src/routes/Publish/Files/index.test.tsx
@@ -6,7 +6,6 @@ const onChange = jest.fn()
 
 const files = [
     {
-        found: true,
         url: 'https://hello.com',
         checksum: 'cccccc',
         checksumType: 'MD5',
@@ -14,7 +13,8 @@ const files = [
         contentType: 'application/zip',
         resourceId: 'xxx',
         encoding: 'UTF-8',
-        compression: 'zip'
+        compression: 'zip',
+        found: true
     }
 ]
 
diff --git a/client/src/routes/Publish/Files/index.tsx b/client/src/routes/Publish/Files/index.tsx
index 4fe22c6..c910588 100644
--- a/client/src/routes/Publish/Files/index.tsx
+++ b/client/src/routes/Publish/Files/index.tsx
@@ -8,17 +8,18 @@ import styles from './index.module.scss'
 
 import { serviceUri } from '../../../config'
 import cleanupContentType from '../../../utils/cleanupContentType'
+import { Logger } from '@oceanprotocol/squid'
 
-interface File {
+export interface File {
     url: string
-    found: boolean
+    contentType: string
     checksum?: string
     checksumType?: string
     contentLength?: number
-    contentType?: string
     resourceId?: string
     encoding?: string
     compression?: string
+    found: boolean // non-standard
 }
 
 interface FilesProps {
@@ -51,20 +52,10 @@ export default class Files extends PureComponent<FilesProps, FilesStates> {
     }
 
     private addItem = async (value: string) => {
-        let res: {
-            result: {
-                contentLength: number
-                contentType: string
-                found: boolean
-            }
-        }
-
         let file: File = {
             url: value,
-            found: false,
-            contentLength: 0,
             contentType: '',
-            compression: ''
+            found: false // non-standard
         }
 
         try {
@@ -75,13 +66,16 @@ export default class Files extends PureComponent<FilesProps, FilesStates> {
                     'Content-Type': 'application/json'
                 }
             })
-            res = await response.json()
-            file.contentLength = res.result.contentLength
-            file.contentType = res.result.contentType
-            file.compression = await cleanupContentType(res.result.contentType)
-            file.found = res.result.found
+
+            const json = await response.json()
+            const { contentLength, contentType, found } = json.result
+
+            file.contentLength = contentLength
+            file.contentType = contentType
+            file.compression = await cleanupContentType(contentType)
+            file.found = found
         } catch (error) {
-            // error
+            Logger.error(error.message)
         }
 
         this.props.files.push(file)
diff --git a/client/src/routes/Publish/index.tsx b/client/src/routes/Publish/index.tsx
index c78f009..cd3d825 100644
--- a/client/src/routes/Publish/index.tsx
+++ b/client/src/routes/Publish/index.tsx
@@ -11,27 +11,28 @@ import ReactGA from 'react-ga'
 
 import { steps } from '../../data/form-publish.json'
 import Content from '../../components/atoms/Content'
+import { File } from './Files'
 
 type AssetType = 'dataset' | 'algorithm' | 'container' | 'workflow' | 'other'
 
 interface PublishState {
     name?: string
     dateCreated?: string
-    description?: string
-    files?: string[]
     price?: string
     author?: string
-    type?: AssetType
     license?: string
+    description?: string
+    files?: File[]
+    type?: AssetType
     copyrightHolder?: string
-    categories?: string
-    tags?: string[]
+    categories?: string[]
+
+    currentStep?: number
+    publishingStep?: number
     isPublishing?: boolean
     isPublished?: boolean
     publishedDid?: string
     publishingError?: string
-    publishingStep?: number
-    currentStep?: number
     validationStatus?: any
 }
 
@@ -39,7 +40,6 @@ export default class Publish extends Component<{}, PublishState> {
     public static contextType = User
 
     public state = {
-        currentStep: 1,
         name: '',
         dateCreated: new Date().toISOString(),
         description: '',
@@ -49,7 +49,9 @@ export default class Publish extends Component<{}, PublishState> {
         type: 'dataset' as AssetType,
         license: '',
         copyrightHolder: '',
-        categories: '',
+        categories: [],
+
+        currentStep: 1,
         isPublishing: false,
         isPublished: false,
         publishedDid: '',
@@ -127,7 +129,7 @@ export default class Publish extends Component<{}, PublishState> {
             type: 'dataset' as AssetType,
             license: '',
             copyrightHolder: '',
-            categories: '',
+            categories: [],
             isPublishing: false,
             isPublished: false,
             publishingStep: 0,
@@ -267,6 +269,14 @@ export default class Publish extends Component<{}, PublishState> {
 
         const { ocean } = this.context
         const account = await ocean.accounts.list()
+
+        // remove `found` attribute from all objects
+        // and use new array for hidden input
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        // const filesStandard = this.state.files.map(
+        //     ({ found, ...keepAttrs }) => keepAttrs // eslint-disable-line
+        // )
+
         const newAsset = {
             // OEP-08 Attributes
             // https://github.com/oceanprotocol/OEPs/tree/master/8
@@ -280,10 +290,7 @@ export default class Publish extends Component<{}, PublishState> {
                 files: this.state.files,
                 price: this.state.price,
                 type: this.state.type,
-                categories: [this.state.categories],
-                workExample: undefined,
-                inLanguage: undefined,
-                tags: ''
+                categories: [this.state.categories]
             }),
             curation: Object.assign(AssetModel.curation),
             additionalInformation: Object.assign(