diff --git a/runtime/history/SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1.json b/runtime/history/SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1.json
new file mode 100644
index 00000000..9d80f88f
--- /dev/null
+++ b/runtime/history/SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1.json
@@ -0,0 +1,38 @@
+{
+  "schema_version": 1,
+  "channel": "homelab-runtime",
+  "command_id": "SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1",
+  "status": "OK",
+  "rc": 0,
+  "host": "pve01",
+  "mode": "read-only",
+  "component": "infra-dr-backupv2-pve-lxc-perlpin-production-vs-fixture-rca",
+  "started_at_utc": "2026-09-15T06:42:22Z",
+  "finished_at_utc": "2026-09-15T06:42:36Z",
+  "reference_register_checked": true,
+  "reference_sha256": "5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66",
+  "error_register_checked": true,
+  "error_register_sha256": "3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0",
+  "command_sha256": "ce479e4ad6140a4bafd6a423acbcb4b67a98d918a4ac13c9e637e7381de36632",
+  "duplicate_failed_command_blocked": false,
+  "block_reason": null,
+  "execution_started": true,
+  "change_declared": false,
+  "result_contract_valid": true,
+  "result_contract_status": null,
+  "result_contract_error": null,
+  "command_rc": 0,
+  "changes_made": false,
+  "rollback_started": false,
+  "rollback_restored": null,
+  "mutation_outcome": "NO_MUTATION",
+  "sanitized": true,
+  "secrets_included": false,
+  "private_addresses_included": false,
+  "raw_evidence_retained_locally": true,
+  "raw_evidence_sha256": "10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f",
+  "sanitized_output_sha256": "10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f",
+  "output_truncated_in_json": false,
+  "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
+  "output": "COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1\nMODE=READ_ONLY_PVE_LXC_PERLPIN_PRODUCTION_VS_FIXTURE_RCA\nNO_BACKUP_EXECUTION=YES\nNO_CLOUD_ACCESS=YES\nNO_SYSTEMD_MUTATION=YES\nANCHOR_BINDINGS=[true,true,true,true]\nPERLPIN_PARENT_TRUST_PREDICATE=\"s.st_uid == 0 and (not s.st_mode & 18)\"\nTEST_FIXTURE_METHODS={\"pin\":\"def pin(self):\\n    return f.PerlPin(self.path, self.alias)\",\"setUp\":\"def setUp(self):\\n    self.assertIsNotNone(f, '270 dedicated Perl executable guard is not implemented')\\n    self.td = tempfile.TemporaryDirectory()\\n    self.root = Path(self.td.name)\\n    self.path = self.root / 'perl'\\n    self.alias = self.root / 'perl5.40.1'\\n    shutil.copyfile('/usr/bin/perl', self.path)\\n    self.path.chmod(493)\\n    os.link(self.path, self.alias)\"}\nPRODUCTION_VS_FIXTURE_PROBE={\"rc\":0,\"result\":{\"fixture_attrs\":{\"alias\":{\"exists\":true,\"gid\":0,\"kind\":\"file\",\"mode\":\"0755\",\"nlink\":2,\"uid\":0},\"path\":{\"exists\":true,\"gid\":0,\"kind\":\"file\",\"mode\":\"0755\",\"nlink\":2,\"uid\":0},\"root\":{\"exists\":true,\"gid\":0,\"kind\":\"dir\",\"mode\":\"0700\",\"nlink\":2,\"uid\":0}},\"fixture_pin\":{\"exception_class\":\"pve265.PVEError\",\"message_sha256\":\"161c60744d62f603cbd0479884f0ae3daa9fa4a152af30c36596add983daa423\",\"ok\":false,\"safe_code\":\"PERL_PARENT_UNTRUSTED\"},\"fixture_pin_signature\":\"()\",\"production\":{\"first\":0,\"ok\":true,\"result_type\":\"tuple\",\"tuple_len\":2}},\"stderr_bytes\":0,\"stderr_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\"}\nRCA_PERLPIN_FIXTURE=HISTORICAL_TEST_FIXTURE_PARENT_TRUST_DRIFT\nSTATUS=OK\nPHASE=COMPLETE\nREASON=NONE\nNEXT_GATE=PVE_LXC_CANDIDATE_STAGE_WITH_PRODUCTION_PERLPIN_SELFTEST\nCHANGES_MADE=false\nMUTATION_OUTCOME=NO_MUTATION\nBACKUP_EXECUTIONS=0\nCLOUD_WRITES=0\nCLOUD_DELETIONS=0\nSYSTEMD_MUTATIONS=0\nSCHEDULER_CUTOVER=NO\nLEGACY_BACKUP_DISABLES=0\nHOMELAB_RESULT_CONTRACT={\"changes_made\":false,\"command_id\":\"SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1\",\"rollback_restored\":null,\"rollback_started\":false,\"status\":\"OK\",\"version\":1}\n"
+}
diff --git a/runtime/history/SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1.txt b/runtime/history/SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1.txt
new file mode 100644
index 00000000..bb2346d4
--- /dev/null
+++ b/runtime/history/SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1.txt
@@ -0,0 +1,55 @@
+CHAT_OUTPUT_BEGIN
+COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1
+STATUS=OK
+RC=0
+HOST=pve01
+MODE=read-only
+COMPONENT=infra-dr-backupv2-pve-lxc-perlpin-production-vs-fixture-rca
+REFERENCE_REGISTER_CHECK=OK
+REFERENCE_SHA256=5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66
+ERROR_REGISTER_CHECK=OK
+ERROR_REGISTER_SHA256=3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0
+COMMAND_SHA256=ce479e4ad6140a4bafd6a423acbcb4b67a98d918a4ac13c9e637e7381de36632
+DUPLICATE_FAILED_COMMAND_BLOCKED=false
+EXECUTION_STARTED=true
+CHANGE_DECLARED=false
+RESULT_CONTRACT_VALID=true
+RESULT_CONTRACT_STATUS=NOT_APPLICABLE
+RESULT_CONTRACT_ERROR=NONE
+COMMAND_RC=0
+CHANGES_MADE=false
+ROLLBACK_STARTED=false
+ROLLBACK_RESTORED=null
+MUTATION_OUTCOME=NO_MUTATION
+SANITIZED=yes
+SECRETS_INCLUDED=no
+PRIVATE_ADDRESSES_INCLUDED=no
+RAW_EVIDENCE_SHA256=10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f
+SANITIZED_OUTPUT_SHA256=10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f
+OUTPUT_BEGIN
+COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1
+MODE=READ_ONLY_PVE_LXC_PERLPIN_PRODUCTION_VS_FIXTURE_RCA
+NO_BACKUP_EXECUTION=YES
+NO_CLOUD_ACCESS=YES
+NO_SYSTEMD_MUTATION=YES
+ANCHOR_BINDINGS=[true,true,true,true]
+PERLPIN_PARENT_TRUST_PREDICATE="s.st_uid == 0 and (not s.st_mode & 18)"
+TEST_FIXTURE_METHODS={"pin":"def pin(self):\n    return f.PerlPin(self.path, self.alias)","setUp":"def setUp(self):\n    self.assertIsNotNone(f, '270 dedicated Perl executable guard is not implemented')\n    self.td = tempfile.TemporaryDirectory()\n    self.root = Path(self.td.name)\n    self.path = self.root / 'perl'\n    self.alias = self.root / 'perl5.40.1'\n    shutil.copyfile('/usr/bin/perl', self.path)\n    self.path.chmod(493)\n    os.link(self.path, self.alias)"}
+PRODUCTION_VS_FIXTURE_PROBE={"rc":0,"result":{"fixture_attrs":{"alias":{"exists":true,"gid":0,"kind":"file","mode":"0755","nlink":2,"uid":0},"path":{"exists":true,"gid":0,"kind":"file","mode":"0755","nlink":2,"uid":0},"root":{"exists":true,"gid":0,"kind":"dir","mode":"0700","nlink":2,"uid":0}},"fixture_pin":{"exception_class":"pve265.PVEError","message_sha256":"161c60744d62f603cbd0479884f0ae3daa9fa4a152af30c36596add983daa423","ok":false,"safe_code":"PERL_PARENT_UNTRUSTED"},"fixture_pin_signature":"()","production":{"first":0,"ok":true,"result_type":"tuple","tuple_len":2}},"stderr_bytes":0,"stderr_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}
+RCA_PERLPIN_FIXTURE=HISTORICAL_TEST_FIXTURE_PARENT_TRUST_DRIFT
+STATUS=OK
+PHASE=COMPLETE
+REASON=NONE
+NEXT_GATE=PVE_LXC_CANDIDATE_STAGE_WITH_PRODUCTION_PERLPIN_SELFTEST
+CHANGES_MADE=false
+MUTATION_OUTCOME=NO_MUTATION
+BACKUP_EXECUTIONS=0
+CLOUD_WRITES=0
+CLOUD_DELETIONS=0
+SYSTEMD_MUTATIONS=0
+SCHEDULER_CUTOVER=NO
+LEGACY_BACKUP_DISABLES=0
+HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1","rollback_restored":null,"rollback_started":false,"status":"OK","version":1}
+
+OUTPUT_END
+CHAT_OUTPUT_END
diff --git a/runtime/latest.json b/runtime/latest.json
index 69ebf2be..9d80f88f 100644
--- a/runtime/latest.json
+++ b/runtime/latest.json
@@ -1,19 +1,19 @@
 {
   "schema_version": 1,
   "channel": "homelab-runtime",
-  "command_id": "SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-RUNTIME-DRIFT-RCA-405R1",
+  "command_id": "SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1",
   "status": "OK",
   "rc": 0,
   "host": "pve01",
   "mode": "read-only",
-  "component": "infra-dr-backupv2-pve-lxc-perlpin-runtime-drift-rca",
-  "started_at_utc": "2026-09-15T06:27:18Z",
-  "finished_at_utc": "2026-09-15T06:27:29Z",
+  "component": "infra-dr-backupv2-pve-lxc-perlpin-production-vs-fixture-rca",
+  "started_at_utc": "2026-09-15T06:42:22Z",
+  "finished_at_utc": "2026-09-15T06:42:36Z",
   "reference_register_checked": true,
   "reference_sha256": "5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66",
   "error_register_checked": true,
   "error_register_sha256": "3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0",
-  "command_sha256": "5e5d0d3d26aa47dd9f272f130bc5ffe09cff46ca15687eb3db52d5337a7df8a5",
+  "command_sha256": "ce479e4ad6140a4bafd6a423acbcb4b67a98d918a4ac13c9e637e7381de36632",
   "duplicate_failed_command_blocked": false,
   "block_reason": null,
   "execution_started": true,
@@ -30,9 +30,9 @@
   "secrets_included": false,
   "private_addresses_included": false,
   "raw_evidence_retained_locally": true,
-  "raw_evidence_sha256": "7d3ed5b87e0c41689d94681dc882915d788e042a42eaf2aa19ec6781e4bcd8bb",
-  "sanitized_output_sha256": "7d3ed5b87e0c41689d94681dc882915d788e042a42eaf2aa19ec6781e4bcd8bb",
+  "raw_evidence_sha256": "10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f",
+  "sanitized_output_sha256": "10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f",
   "output_truncated_in_json": false,
   "full_sanitized_output_url": "https://git.gram1.ru/.well-known/homelab-runtime/latest.txt",
-  "output": "COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-RUNTIME-DRIFT-RCA-405R1\nMODE=READ_ONLY_PVE_LXC_PERLPIN_RUNTIME_DRIFT_RCA\nNO_BACKUP_EXECUTION=YES\nNO_CLOUD_ACCESS=YES\nNO_SYSTEMD_MUTATION=YES\nANCHOR_BINDINGS=[true,true,true]\nPERL_META={\"dev\":64513,\"gid\":0,\"ino\":5112044,\"mode\":\"0755\",\"nlink\":2,\"path\":\"/usr/bin/perl\",\"sha256\":\"2e341d06b8e72eae72cd72da47b38ba1174bedc83904ab177fe8fd9f89f220cd\",\"size\":3931280,\"uid\":0}\nPERL_ALIAS_META={\"dev\":64513,\"gid\":0,\"ino\":5112044,\"mode\":\"0755\",\"nlink\":2,\"path\":\"/usr/bin/perl5.40.1\",\"sha256\":\"2e341d06b8e72eae72cd72da47b38ba1174bedc83904ab177fe8fd9f89f220cd\",\"size\":3931280,\"uid\":0}\nPERL_HARDLINK_PAIR=PASS\nPROC_MOUNT=[{\"mount_options\":[\"relatime\",\"rw\"],\"mountpoint\":\"/proc\",\"super_options\":[\"rw\"]}]\nPROC_NOEXEC=NO\nPYTHON_RUNTIME={\"executable\":\"/usr/bin/python3\",\"execve_supports_fd\":true,\"version\":[3,13,5]}\nDIRECT_PERL_EXEC={\"rc\":0,\"stderr_bytes\":0,\"stderr_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"stdout_bytes\":0,\"stdout_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\"}\nPROC_FD_PERL_EXEC={\"rc\":0,\"stderr_bytes\":0,\"stderr_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"stdout_bytes\":0,\"stdout_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\"}\nFD_EXECVE_PERL={\"rc\":0,\"supported\":true}\nPERL270_STRUCTURED_TEST={\"rc\":0,\"result\":{\"errors\":[{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_02_pair_is_read_pinned\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_03_old_private_guard_unchanged\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_18_replacement_rejected_before_execution\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_19_mode_drift_rejected\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_20_content_drift_rejected\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_21_exec_real_perl_via_fd\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_22_return_code_preserved\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_23_stdout_bound\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_24_stderr_never_returned\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_25_timeout\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_26_environment_not_inherited\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_27_no_file_descriptors_leaked\"},{\"errno\":null,\"exception_class\":\"pve265.PVEError\",\"frames\":[{\"file\":\"test_perl270.py\",\"func\":\"pin\",\"line\":17},{\"file\":\"pve270.py\",\"func\":\"__init__\",\"line\":69},{\"file\":\"pve265.py\",\"func\":\"need\",\"line\":32}],\"test\":\"test_29_alias_changed_while_open\"}],\"failures\":[],\"tests_run\":30},\"stderr_bytes\":0,\"stderr_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\"}\nPERL270_ERROR_CLASS_COUNTS={\"pve265.PVEError\":13}\nRCA_PERLPIN=PERL270_TEST_OTHER_RUNTIME_DRIFT\nSTATUS=OK\nPHASE=COMPLETE\nREASON=NONE\nNEXT_GATE=PVE_LXC_PERLPIN_RUNTIME_FOLLOWUP\nCHANGES_MADE=false\nMUTATION_OUTCOME=NO_MUTATION\nBACKUP_EXECUTIONS=0\nCLOUD_WRITES=0\nCLOUD_DELETIONS=0\nSYSTEMD_MUTATIONS=0\nSCHEDULER_CUTOVER=NO\nLEGACY_BACKUP_DISABLES=0\nHOMELAB_RESULT_CONTRACT={\"changes_made\":false,\"command_id\":\"SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-RUNTIME-DRIFT-RCA-405R1\",\"rollback_restored\":null,\"rollback_started\":false,\"status\":\"OK\",\"version\":1}\n"
+  "output": "COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1\nMODE=READ_ONLY_PVE_LXC_PERLPIN_PRODUCTION_VS_FIXTURE_RCA\nNO_BACKUP_EXECUTION=YES\nNO_CLOUD_ACCESS=YES\nNO_SYSTEMD_MUTATION=YES\nANCHOR_BINDINGS=[true,true,true,true]\nPERLPIN_PARENT_TRUST_PREDICATE=\"s.st_uid == 0 and (not s.st_mode & 18)\"\nTEST_FIXTURE_METHODS={\"pin\":\"def pin(self):\\n    return f.PerlPin(self.path, self.alias)\",\"setUp\":\"def setUp(self):\\n    self.assertIsNotNone(f, '270 dedicated Perl executable guard is not implemented')\\n    self.td = tempfile.TemporaryDirectory()\\n    self.root = Path(self.td.name)\\n    self.path = self.root / 'perl'\\n    self.alias = self.root / 'perl5.40.1'\\n    shutil.copyfile('/usr/bin/perl', self.path)\\n    self.path.chmod(493)\\n    os.link(self.path, self.alias)\"}\nPRODUCTION_VS_FIXTURE_PROBE={\"rc\":0,\"result\":{\"fixture_attrs\":{\"alias\":{\"exists\":true,\"gid\":0,\"kind\":\"file\",\"mode\":\"0755\",\"nlink\":2,\"uid\":0},\"path\":{\"exists\":true,\"gid\":0,\"kind\":\"file\",\"mode\":\"0755\",\"nlink\":2,\"uid\":0},\"root\":{\"exists\":true,\"gid\":0,\"kind\":\"dir\",\"mode\":\"0700\",\"nlink\":2,\"uid\":0}},\"fixture_pin\":{\"exception_class\":\"pve265.PVEError\",\"message_sha256\":\"161c60744d62f603cbd0479884f0ae3daa9fa4a152af30c36596add983daa423\",\"ok\":false,\"safe_code\":\"PERL_PARENT_UNTRUSTED\"},\"fixture_pin_signature\":\"()\",\"production\":{\"first\":0,\"ok\":true,\"result_type\":\"tuple\",\"tuple_len\":2}},\"stderr_bytes\":0,\"stderr_sha256\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\"}\nRCA_PERLPIN_FIXTURE=HISTORICAL_TEST_FIXTURE_PARENT_TRUST_DRIFT\nSTATUS=OK\nPHASE=COMPLETE\nREASON=NONE\nNEXT_GATE=PVE_LXC_CANDIDATE_STAGE_WITH_PRODUCTION_PERLPIN_SELFTEST\nCHANGES_MADE=false\nMUTATION_OUTCOME=NO_MUTATION\nBACKUP_EXECUTIONS=0\nCLOUD_WRITES=0\nCLOUD_DELETIONS=0\nSYSTEMD_MUTATIONS=0\nSCHEDULER_CUTOVER=NO\nLEGACY_BACKUP_DISABLES=0\nHOMELAB_RESULT_CONTRACT={\"changes_made\":false,\"command_id\":\"SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1\",\"rollback_restored\":null,\"rollback_started\":false,\"status\":\"OK\",\"version\":1}\n"
 }
diff --git a/runtime/latest.txt b/runtime/latest.txt
index 84269bcf..bb2346d4 100644
--- a/runtime/latest.txt
+++ b/runtime/latest.txt
@@ -1,15 +1,15 @@
 CHAT_OUTPUT_BEGIN
-COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-RUNTIME-DRIFT-RCA-405R1
+COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1
 STATUS=OK
 RC=0
 HOST=pve01
 MODE=read-only
-COMPONENT=infra-dr-backupv2-pve-lxc-perlpin-runtime-drift-rca
+COMPONENT=infra-dr-backupv2-pve-lxc-perlpin-production-vs-fixture-rca
 REFERENCE_REGISTER_CHECK=OK
 REFERENCE_SHA256=5a3d8e5154c41cb582a4e0aca68090be1f0138918bf82131a948df326f9d8d66
 ERROR_REGISTER_CHECK=OK
 ERROR_REGISTER_SHA256=3b09a553ec0f527ed3afeed4753f52a74ee3036045bbfb3c685e9f8af4ba7ba0
-COMMAND_SHA256=5e5d0d3d26aa47dd9f272f130bc5ffe09cff46ca15687eb3db52d5337a7df8a5
+COMMAND_SHA256=ce479e4ad6140a4bafd6a423acbcb4b67a98d918a4ac13c9e637e7381de36632
 DUPLICATE_FAILED_COMMAND_BLOCKED=false
 EXECUTION_STARTED=true
 CHANGE_DECLARED=false
@@ -24,31 +24,23 @@ MUTATION_OUTCOME=NO_MUTATION
 SANITIZED=yes
 SECRETS_INCLUDED=no
 PRIVATE_ADDRESSES_INCLUDED=no
-RAW_EVIDENCE_SHA256=7d3ed5b87e0c41689d94681dc882915d788e042a42eaf2aa19ec6781e4bcd8bb
-SANITIZED_OUTPUT_SHA256=7d3ed5b87e0c41689d94681dc882915d788e042a42eaf2aa19ec6781e4bcd8bb
+RAW_EVIDENCE_SHA256=10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f
+SANITIZED_OUTPUT_SHA256=10650bff8754a6470c8f43b204f0ddcfd326ee35d6b1a3677ef51c7cd177a64f
 OUTPUT_BEGIN
-COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-RUNTIME-DRIFT-RCA-405R1
-MODE=READ_ONLY_PVE_LXC_PERLPIN_RUNTIME_DRIFT_RCA
+COMMAND_ID=SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1
+MODE=READ_ONLY_PVE_LXC_PERLPIN_PRODUCTION_VS_FIXTURE_RCA
 NO_BACKUP_EXECUTION=YES
 NO_CLOUD_ACCESS=YES
 NO_SYSTEMD_MUTATION=YES
-ANCHOR_BINDINGS=[true,true,true]
-PERL_META={"dev":64513,"gid":0,"ino":5112044,"mode":"0755","nlink":2,"path":"/usr/bin/perl","sha256":"2e341d06b8e72eae72cd72da47b38ba1174bedc83904ab177fe8fd9f89f220cd","size":3931280,"uid":0}
-PERL_ALIAS_META={"dev":64513,"gid":0,"ino":5112044,"mode":"0755","nlink":2,"path":"/usr/bin/perl5.40.1","sha256":"2e341d06b8e72eae72cd72da47b38ba1174bedc83904ab177fe8fd9f89f220cd","size":3931280,"uid":0}
-PERL_HARDLINK_PAIR=PASS
-PROC_MOUNT=[{"mount_options":["relatime","rw"],"mountpoint":"/proc","super_options":["rw"]}]
-PROC_NOEXEC=NO
-PYTHON_RUNTIME={"executable":"/usr/bin/python3","execve_supports_fd":true,"version":[3,13,5]}
-DIRECT_PERL_EXEC={"rc":0,"stderr_bytes":0,"stderr_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","stdout_bytes":0,"stdout_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}
-PROC_FD_PERL_EXEC={"rc":0,"stderr_bytes":0,"stderr_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","stdout_bytes":0,"stdout_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}
-FD_EXECVE_PERL={"rc":0,"supported":true}
-PERL270_STRUCTURED_TEST={"rc":0,"result":{"errors":[{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_02_pair_is_read_pinned"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_03_old_private_guard_unchanged"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_18_replacement_rejected_before_execution"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_19_mode_drift_rejected"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_20_content_drift_rejected"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_21_exec_real_perl_via_fd"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_22_return_code_preserved"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_23_stdout_bound"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_24_stderr_never_returned"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_25_timeout"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_26_environment_not_inherited"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_27_no_file_descriptors_leaked"},{"errno":null,"exception_class":"pve265.PVEError","frames":[{"file":"test_perl270.py","func":"pin","line":17},{"file":"pve270.py","func":"__init__","line":69},{"file":"pve265.py","func":"need","line":32}],"test":"test_29_alias_changed_while_open"}],"failures":[],"tests_run":30},"stderr_bytes":0,"stderr_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}
-PERL270_ERROR_CLASS_COUNTS={"pve265.PVEError":13}
-RCA_PERLPIN=PERL270_TEST_OTHER_RUNTIME_DRIFT
+ANCHOR_BINDINGS=[true,true,true,true]
+PERLPIN_PARENT_TRUST_PREDICATE="s.st_uid == 0 and (not s.st_mode & 18)"
+TEST_FIXTURE_METHODS={"pin":"def pin(self):\n    return f.PerlPin(self.path, self.alias)","setUp":"def setUp(self):\n    self.assertIsNotNone(f, '270 dedicated Perl executable guard is not implemented')\n    self.td = tempfile.TemporaryDirectory()\n    self.root = Path(self.td.name)\n    self.path = self.root / 'perl'\n    self.alias = self.root / 'perl5.40.1'\n    shutil.copyfile('/usr/bin/perl', self.path)\n    self.path.chmod(493)\n    os.link(self.path, self.alias)"}
+PRODUCTION_VS_FIXTURE_PROBE={"rc":0,"result":{"fixture_attrs":{"alias":{"exists":true,"gid":0,"kind":"file","mode":"0755","nlink":2,"uid":0},"path":{"exists":true,"gid":0,"kind":"file","mode":"0755","nlink":2,"uid":0},"root":{"exists":true,"gid":0,"kind":"dir","mode":"0700","nlink":2,"uid":0}},"fixture_pin":{"exception_class":"pve265.PVEError","message_sha256":"161c60744d62f603cbd0479884f0ae3daa9fa4a152af30c36596add983daa423","ok":false,"safe_code":"PERL_PARENT_UNTRUSTED"},"fixture_pin_signature":"()","production":{"first":0,"ok":true,"result_type":"tuple","tuple_len":2}},"stderr_bytes":0,"stderr_sha256":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}
+RCA_PERLPIN_FIXTURE=HISTORICAL_TEST_FIXTURE_PARENT_TRUST_DRIFT
 STATUS=OK
 PHASE=COMPLETE
 REASON=NONE
-NEXT_GATE=PVE_LXC_PERLPIN_RUNTIME_FOLLOWUP
+NEXT_GATE=PVE_LXC_CANDIDATE_STAGE_WITH_PRODUCTION_PERLPIN_SELFTEST
 CHANGES_MADE=false
 MUTATION_OUTCOME=NO_MUTATION
 BACKUP_EXECUTIONS=0
@@ -57,7 +49,7 @@ CLOUD_DELETIONS=0
 SYSTEMD_MUTATIONS=0
 SCHEDULER_CUTOVER=NO
 LEGACY_BACKUP_DISABLES=0
-HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-RUNTIME-DRIFT-RCA-405R1","rollback_restored":null,"rollback_started":false,"status":"OK","version":1}
+HOMELAB_RESULT_CONTRACT={"changes_made":false,"command_id":"SUPPORT-260915-INFRA-DR-BACKUPV2-PVE-LXC-PERLPIN-PRODUCTION-VS-FIXTURE-RCA-406R1","rollback_restored":null,"rollback_started":false,"status":"OK","version":1}
 
 OUTPUT_END
 CHAT_OUTPUT_END