diff --git a/challenge-OT4-B1/concordium-testnet-node-accc26ed27d7f15972d1f5726993cab3888b8edb9728202068bf51483ee9ddf2_1.log b/challenge-OT4-B1/concordium-testnet-node-accc26ed27d7f15972d1f5726993cab3888b8edb9728202068bf51483ee9ddf2_1.log
new file mode 100644
index 000000000..d1d7ce01b
--- /dev/null
+++ b/challenge-OT4-B1/concordium-testnet-node-accc26ed27d7f15972d1f5726993cab3888b8edb9728202068bf51483ee9ddf2_1.log
@@ -0,0 +1,8 @@
+{"PERSISTED_NODE_ID":"f9d6eb52899cf999","VERSION":"0.4.11"}
+2021-01-07T21:03:40.484798385Z: INFO: Starting out of band catch-up
+2021-01-07T21:03:40.487587585Z: INFO: Completed out of band catch-up
+2021-01-07T21:23:34.054506485Z: INFO: Starting out of band catch-up
+2021-01-07T21:23:34.059482685Z: INFO: Completed out of band catch-up
+2021-01-07T21:23:34.059482685Z: INFO: Completed out of band catch-up
+runtime:1
+baked:0
diff --git a/challenge-OT4-B1/concordium-testnet-node-accc26ed27d7f15972d1f5726993cab3888b8edb9728202068bf51483ee9ddf2_2.log b/challenge-OT4-B1/concordium-testnet-node-accc26ed27d7f15972d1f5726993cab3888b8edb9728202068bf51483ee9ddf2_2.log
new file mode 100644
index 000000000..d1d7ce01b
--- /dev/null
+++ b/challenge-OT4-B1/concordium-testnet-node-accc26ed27d7f15972d1f5726993cab3888b8edb9728202068bf51483ee9ddf2_2.log
@@ -0,0 +1,8 @@
+{"PERSISTED_NODE_ID":"f9d6eb52899cf999","VERSION":"0.4.11"}
+2021-01-07T21:03:40.484798385Z: INFO: Starting out of band catch-up
+2021-01-07T21:03:40.487587585Z: INFO: Completed out of band catch-up
+2021-01-07T21:23:34.054506485Z: INFO: Starting out of band catch-up
+2021-01-07T21:23:34.059482685Z: INFO: Completed out of band catch-up
+2021-01-07T21:23:34.059482685Z: INFO: Completed out of band catch-up
+runtime:1
+baked:0
diff --git a/challenge-OT4-B1/concordium-testnet-system-report_1.log b/challenge-OT4-B1/concordium-testnet-system-report_1.log
new file mode 100644
index 000000000..d9fea23ac
--- /dev/null
+++ b/challenge-OT4-B1/concordium-testnet-system-report_1.log
@@ -0,0 +1,15 @@
+{
+  "external_ip": "209.212.219.44",
+  "internal_ip": null,
+  "cpu_name": "CPU 1",
+  "disk_types": [
+    "SSD",
+    "SSD"
+  ],
+  "uptime": 140909,
+  "total_memory": 16498004,
+  "free_memory": 7413936,
+  "platform": "x86_64-pc-windows-msvc",
+  "os": "Windows 10",
+  "processes": null
+}
\ No newline at end of file
diff --git a/challenge-OT4-B1/concordium-testnet-system-report_2.log b/challenge-OT4-B1/concordium-testnet-system-report_2.log
new file mode 100644
index 000000000..d4a204e68
--- /dev/null
+++ b/challenge-OT4-B1/concordium-testnet-system-report_2.log
@@ -0,0 +1,15 @@
+{
+  "external_ip": "209.212.219.44",
+  "internal_ip": null,
+  "cpu_name": "CPU 1",
+  "disk_types": [
+    "SSD",
+    "SSD"
+  ],
+  "uptime": 141097,
+  "total_memory": 16498004,
+  "free_memory": 7510536,
+  "platform": "x86_64-pc-windows-msvc",
+  "os": "Windows 10",
+  "processes": null
+}
\ No newline at end of file
diff --git a/challenge-OT4-B1/submission.txt b/challenge-OT4-B1/submission.txt
index d84474f47..e468d899a 100644
--- a/challenge-OT4-B1/submission.txt
+++ b/challenge-OT4-B1/submission.txt
@@ -1 +1 @@
-nodeid:<replace this text with the nodeid>
+nodeid:f9d6eb52899cf999