diff --git a/swh/deposit/api/common.py b/swh/deposit/api/common.py
--- a/swh/deposit/api/common.py
+++ b/swh/deposit/api/common.py
@@ -14,6 +14,7 @@
 from django.core.files.uploadedfile import UploadedFile
 from django.http import FileResponse, HttpResponse
 from django.shortcuts import render
+from django.template.loader import render_to_string
 from django.urls import reverse
 from django.utils import timezone
 from rest_framework import status
@@ -36,7 +37,6 @@
 from swh.model.model import (
     MetadataAuthority,
     MetadataAuthorityType,
-    MetadataFetcher,
     Origin,
     RawExtrinsicMetadata,
 )
@@ -660,11 +660,7 @@
             metadata={"name": deposit.client.last_name},
         )
 
-        metadata_fetcher = MetadataFetcher(
-            name=self.tool["name"],
-            version=self.tool["version"],
-            metadata=self.tool["configuration"],
-        )
+        metadata_fetcher = self.swh_deposit_fetcher()
 
         # replace metadata within the deposit backend
         deposit_request_data = {
@@ -688,6 +684,7 @@
 
         self._check_swhid_in_archive(target_swhid)
 
+        # metadata deposited by the client
         metadata_object = RawExtrinsicMetadata(
             target=target_swhid,  # core swhid or origin
             discovery_date=deposit_request.date,
@@ -698,10 +695,30 @@
             **metadata_context,
         )
 
+        # metadata on the metadata object
+        swh_deposit_authority = self.swh_deposit_authority()
+        swh_deposit_fetcher = self.swh_deposit_fetcher()
+        metametadata_object = RawExtrinsicMetadata(
+            target=metadata_object.swhid(),
+            discovery_date=deposit_request.date,
+            authority=swh_deposit_authority,
+            fetcher=swh_deposit_fetcher,
+            format="xml-deposit-info",
+            metadata=render_to_string(
+                "deposit/deposit_info.xml", context={"deposit": deposit}
+            ).encode(),
+        )
+
         # write to metadata storage
-        self.storage_metadata.metadata_authority_add([metadata_authority])
-        self.storage_metadata.metadata_fetcher_add([metadata_fetcher])
-        self.storage_metadata.raw_extrinsic_metadata_add([metadata_object])
+        self.storage_metadata.metadata_authority_add(
+            [metadata_authority, swh_deposit_authority]
+        )
+        self.storage_metadata.metadata_fetcher_add(
+            [metadata_fetcher, swh_deposit_fetcher]
+        )
+        self.storage_metadata.raw_extrinsic_metadata_add(
+            [metadata_object, metametadata_object]
+        )
 
         return (target_swhid, deposit, deposit_request)
 
diff --git a/swh/deposit/config.py b/swh/deposit/config.py
--- a/swh/deposit/config.py
+++ b/swh/deposit/config.py
@@ -8,6 +8,7 @@
 
 from swh.core import config
 from swh.deposit import __version__
+from swh.model.model import MetadataAuthority, MetadataAuthorityType, MetadataFetcher
 from swh.scheduler import get_scheduler
 from swh.scheduler.interface import SchedulerInterface
 from swh.storage import get_storage
@@ -108,3 +109,17 @@
         self.storage_metadata: StorageInterface = get_storage(
             **self.config["storage_metadata"]
         )
+
+    def swh_deposit_authority(self):
+        return MetadataAuthority(
+            type=MetadataAuthorityType.REGISTRY,
+            url=self.config["swh_authority_url"],
+            metadata={},
+        )
+
+    def swh_deposit_fetcher(self):
+        return MetadataFetcher(
+            name=self.tool["name"],
+            version=self.tool["version"],
+            metadata=self.tool["configuration"],
+        )
diff --git a/swh/deposit/templates/deposit/deposit_info.xml b/swh/deposit/templates/deposit/deposit_info.xml
new file mode 100644
--- /dev/null
+++ b/swh/deposit/templates/deposit/deposit_info.xml
@@ -0,0 +1,5 @@
+<deposit xmlns="https://www.softwareheritage.org/schema/2018/deposit">
+    <deposit_id>{{ deposit.id }}</deposit_id>
+    <deposit_client>{{ deposit.client.provider_url }}</deposit_client>
+    <deposit_collection>{{ deposit.collection.name }}</deposit_collection>
+</deposit>
diff --git a/swh/deposit/tests/api/test_collection_post_atom.py b/swh/deposit/tests/api/test_collection_post_atom.py
--- a/swh/deposit/tests/api/test_collection_post_atom.py
+++ b/swh/deposit/tests/api/test_collection_post_atom.py
@@ -6,6 +6,7 @@
 """Tests the handling of the Atom content when doing a POST Col-IRI."""
 
 from io import BytesIO
+import textwrap
 import uuid
 import warnings
 
@@ -66,6 +67,43 @@
         method([attr.evolve(obj, id=swhid.object_id)])
 
 
+def _assert_deposit_info_on_metadata(
+    swh_storage, metadata_swhid, deposit, metadata_fetcher
+):
+    swh_authority = MetadataAuthority(
+        MetadataAuthorityType.REGISTRY,
+        "http://deposit.softwareheritage.example/",
+        metadata=None,
+    )
+    page_results = swh_storage.raw_extrinsic_metadata_get(metadata_swhid, swh_authority)
+
+    assert len(page_results.results) == 1
+    assert page_results.next_page_token is None
+
+    expected_xml_data = textwrap.dedent(
+        f"""\
+        <deposit xmlns="https://www.softwareheritage.org/schema/2018/deposit">
+            <deposit_id>{deposit.id}</deposit_id>
+            <deposit_client>https://hal-test.archives-ouvertes.fr/</deposit_client>
+            <deposit_collection>test</deposit_collection>
+        </deposit>
+        """
+    )
+    assert page_results == PagedResult(
+        results=[
+            RawExtrinsicMetadata(
+                target=metadata_swhid,
+                discovery_date=deposit.complete_date,
+                authority=swh_authority,
+                fetcher=attr.evolve(metadata_fetcher, metadata=None),
+                format="xml-deposit-info",
+                metadata=expected_xml_data.encode(),
+            )
+        ],
+        next_page_token=None,
+    )
+
+
 def test_post_deposit_atom_201_even_with_decimal(
     authenticated_client, deposit_collection, atom_dataset
 ):
@@ -554,6 +592,8 @@
     )
     assert actual_fetcher == metadata_fetcher
 
+    # Get the deposited metadata object and check it:
+
     page_results = swh_storage.raw_extrinsic_metadata_get(
         swhid_target, metadata_authority
     )
@@ -562,19 +602,20 @@
     assert page_results.next_page_token is None
 
     metadata_context = compute_metadata_context(swhid_reference)
-    assert page_results == PagedResult(
-        results=[
-            RawExtrinsicMetadata(
-                target=swhid_target,
-                discovery_date=deposit.complete_date,
-                authority=attr.evolve(metadata_authority, metadata=None),
-                fetcher=attr.evolve(metadata_fetcher, metadata=None),
-                format="sword-v2-atom-codemeta",
-                metadata=xml_data.encode(),
-                **metadata_context,
-            )
-        ],
-        next_page_token=None,
+    metadata = RawExtrinsicMetadata(
+        target=swhid_target,
+        discovery_date=deposit.complete_date,
+        authority=attr.evolve(metadata_authority, metadata=None),
+        fetcher=attr.evolve(metadata_fetcher, metadata=None),
+        format="sword-v2-atom-codemeta",
+        metadata=xml_data.encode(),
+        **metadata_context,
+    )
+    assert page_results == PagedResult(results=[metadata], next_page_token=None,)
+
+    # Get metadata about the deposited metadata object and check it:
+    _assert_deposit_info_on_metadata(
+        swh_storage, metadata.swhid(), deposit, metadata_fetcher
     )
 
 
@@ -633,6 +674,8 @@
     )
     assert actual_fetcher == metadata_fetcher
 
+    # Get the deposited metadata object and check it:
+
     page_results = swh_storage.raw_extrinsic_metadata_get(
         origin_swhid, metadata_authority
     )
@@ -640,18 +683,19 @@
     assert len(page_results.results) == 1
     assert page_results.next_page_token is None
 
-    assert page_results == PagedResult(
-        results=[
-            RawExtrinsicMetadata(
-                target=origin_swhid,
-                discovery_date=deposit.complete_date,
-                authority=attr.evolve(metadata_authority, metadata=None),
-                fetcher=attr.evolve(metadata_fetcher, metadata=None),
-                format="sword-v2-atom-codemeta",
-                metadata=xml_data.encode(),
-            )
-        ],
-        next_page_token=None,
+    metadata = RawExtrinsicMetadata(
+        target=origin_swhid,
+        discovery_date=deposit.complete_date,
+        authority=attr.evolve(metadata_authority, metadata=None),
+        fetcher=attr.evolve(metadata_fetcher, metadata=None),
+        format="sword-v2-atom-codemeta",
+        metadata=xml_data.encode(),
+    )
+    assert page_results == PagedResult(results=[metadata], next_page_token=None,)
+
+    # Get metadata about the deposited metadata object and check it:
+    _assert_deposit_info_on_metadata(
+        swh_storage, metadata.swhid(), deposit, metadata_fetcher
     )
 
 
diff --git a/swh/deposit/tests/conftest.py b/swh/deposit/tests/conftest.py
--- a/swh/deposit/tests/conftest.py
+++ b/swh/deposit/tests/conftest.py
@@ -90,6 +90,7 @@
         "scheduler": {"cls": "local", **swh_scheduler_config,},
         "storage": swh_storage_backend_config,
         "storage_metadata": swh_storage_backend_config,
+        "swh_authority_url": "http://deposit.softwareheritage.example/",
     }