Preserve bounded validation evidence and historical failures

tests/validation/multigrid/local_stress_v1_evidence/source_manifest.json

@@ -0,0 +1,20 @@
+[
+  {
+    "id": "1EBdGY3CxGm_uwCZ_L9vv3q6UgDoH01pM",
+    "name": "local_stress_observable_v1.py",
+    "bytes": 32574,
+    "sha256": "0e2777990359a7cf2bb29884173b7b01de37c49bcf49e1f29fc59fe83d62b456"
+  },
+  {
+    "id": "1TpMS9MfWP3gnouHJ95MQ_lozKMPbgTSH",
+    "name": "stdout_local_stress_observable_v1.txt",
+    "bytes": 12238,
+    "sha256": "6a826e5ad729ce45af6879a07a1c659d8b4a21403fde5b9c6d9696cc6a5b09d4"
+  },
+  {
+    "id": "1l1HljRJEcCrJNgSGdWSdQ7OOvEjdRXqi",
+    "name": "TABLE_local_stress_observable_v1.md",
+    "bytes": 2967,
+    "sha256": "d8ff0568d9c473a4bb09396a8948ddc8dc5af2f0f3a23ac84d238814fc779501"
+  }
+]