{
  "bundle_sha256": "590437f4082ec2f6828f5a60355774dcbb205897607cd8690751cdba3eeda9f2",
  "finished_at": "2026-09-21T18:05:07Z",
  "meta": {
    "cluster_id": "cain-evid-b76ac5",
    "cluster_started": true,
    "disposable": true,
    "image": "cain-cluster-node:cain35-digest-fix-20260917",
    "image_ids": [
      "sha256:701bdf10cfbc3322f7799f9636e2268a6c14e25174b80383401b1686a176046b"
    ],
    "independence_measured": {
      "distinct_hosts": 1,
      "distinct_images": 1,
      "host": "vultr",
      "verdict": "NOT independent failure domains: one image, one host, one Docker daemon"
    },
    "teardown_containers_left": []
  },
  "not_claimed": [
    "independent failure domains (one host, one image, one Docker daemon)",
    "network partitions",
    "a malicious (equivocating) validator on the live wire",
    "long-duration behaviour",
    "the LIVE local test cluster was not fault-injected (only a disposable twin was)",
    "the older remote cluster-cain-001 (quorum 2, no PBFT endpoints) is NOT covered and does not meet the 2f+1 rule",
    "no third party has reviewed this"
  ],
  "schema": "cain42.cluster_fault_test_bundle.v1",
  "started_at": "2026-09-21T18:03:51Z",
  "status": "PRE-PRODUCTION",
  "steps": [
    {
      "distinct_keys": 4,
      "name": "S0 baseline: 4/4 up",
      "pinned_keys": {
        "cain-evid-node-1": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
        "cain-evid-node-2": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
        "cain-evid-node-3": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
        "cain-evid-node-4": "x7BeDtSmFgnGT8/+QASutDzJQ4EhF806F35AogcvwSE="
      },
      "state_proofs": [
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 0,
          "node_id": "cain-evid-node-1",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.232970+00:00",
          "sequence": 0,
          "signature_b64": "CZvIBfOKJ0pLpah4y8yGH1g7WpAOam7UpuQPtskzaYJanMM8aR5qgbomjn5sACM7QOGZJHM5lgUsbBkIzYQjDA==",
          "state_root": "6c40c5b342bef51ef0e4af13a039befbc3a9dee50f7d5f10a011f1021c2a785d",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 0,
          "node_id": "cain-evid-node-2",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.254635+00:00",
          "sequence": 0,
          "signature_b64": "TgVt9AfvDFVg7sZw4e/4VDDP6Y3mSbI91YMfihYoE3WmMEQQneayjKb55o8xrCJ+DoS5uuDTPh5EACeioq7EDQ==",
          "state_root": "6c40c5b342bef51ef0e4af13a039befbc3a9dee50f7d5f10a011f1021c2a785d",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 0,
          "node_id": "cain-evid-node-3",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.279085+00:00",
          "sequence": 0,
          "signature_b64": "UUKielb0taxJYE2iav/a3nhISWtMniuSFDTfQB1haOq8olRXwAikqvIY5fLY62T80h/YXDZ6YyThO6ovosP+CA==",
          "state_root": "6c40c5b342bef51ef0e4af13a039befbc3a9dee50f7d5f10a011f1021c2a785d",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 0,
          "node_id": "cain-evid-node-4",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "x7BeDtSmFgnGT8/+QASutDzJQ4EhF806F35AogcvwSE=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.298066+00:00",
          "sequence": 0,
          "signature_b64": "c88nvmq3AuVDWSR8DaSOISODWvFZyS7TTdGtPePQqgf+TdRh8NvJELx9beEnPO7YfmkvtTU6kmWXrExgKHajBg==",
          "state_root": "6c40c5b342bef51ef0e4af13a039befbc3a9dee50f7d5f10a011f1021c2a785d",
          "view": 0
        }
      ]
    },
    {
      "name": "S1 commit with all 4 nodes",
      "quorum_certificates": [
        {
          "claimed_accepted_signers": 4,
          "pinned_keys": {
            "cain-evid-node-1": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
            "cain-evid-node-2": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
            "cain-evid-node-3": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
            "cain-evid-node-4": "x7BeDtSmFgnGT8/+QASutDzJQ4EhF806F35AogcvwSE="
          },
          "qc": {
            "accepted_signers": [
              "cain-evid-node-1",
              "cain-evid-node-2",
              "cain-evid-node-3",
              "cain-evid-node-4"
            ],
            "authority_epoch": 1,
            "certificate_digest": "f865e14faef2b56334c93c7b9985e17d4ef73b568ae2d9422702700b6a6a4589",
            "cluster_id": "cain-evid-b76ac5",
            "created_at": "2026-09-21T18:04:14.561412+00:00",
            "expires_at": "2026-09-21T18:05:14.561412+00:00",
            "membership_config": {
              "cain-evid-node-1": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
              "cain-evid-node-2": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
              "cain-evid-node-3": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
              "cain-evid-node-4": "x7BeDtSmFgnGT8/+QASutDzJQ4EhF806F35AogcvwSE="
            },
            "rejected_signers": [],
            "request_digest": "52cd1566745b45b8f2c1da576c44a616c2869c31fc79f0477b363c3c0246ef54",
            "request_id": "evid-r1",
            "sequence": 1,
            "state_root": "0d4bc66be0c671f2557fd810e7a4dbd0940893a7cb30a510e26cf0da3014c511",
            "view": 0,
            "votes": {
              "cain-evid-node-1": "yvqm5eUrUxV/0L0g4yxy+ohWXVMxZbZYOcZODu9wLyP80LkBPFmYOIh+lkld2tSRlDeySM2xwIVCphzjar6bCg==",
              "cain-evid-node-2": "uQZHojITxqQRRJg6ErZrl8MYY9S0eZ4y/Ffaw+3g4xA/hY0YuAPM1Yh7r+25J2wMPFPUJasXfMt7J7IdoWOwBA==",
              "cain-evid-node-3": "JC5de8yCDaE6YYyW8Y3fvX4/b0ehTDHmqz7e7Gt//3G4JLRUj+MNbr9nxLcMKQpzo71+ajwzdfLIG9e5ewiCBw==",
              "cain-evid-node-4": "4Ted8IzDH+TprpMtJ7IXIUO4XkOFzZtLWZosTkZvPm5uuA7OxNEJ3uZbCa82N5mLUfx5LQizwj2J68+hOA+LDw=="
            }
          },
          "required_quorum": 3
        }
      ],
      "response": {
        "application_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
        "authorization_id": "auth-28df5b8b5a74455a",
        "authorization_proof_digest": "85108a44fd899d61eea1eea511120a8828f751ac9ce7dc63dc0a1fe45142c6e8",
        "cluster_size": 4,
        "decision": "ALLOW",
        "enforcement": "PERMIT",
        "engine_version": "33.4-production-hardened",
        "quorum_certificate_accepted_signers": 4,
        "quorum_certificate_digest": "f865e14faef2b56334c93c7b9985e17d4ef73b568ae2d9422702700b6a6a4589",
        "quorum_certificate_status": "VALID",
        "quorum_size": 3,
        "sequence": 1,
        "state_root": "0d4bc66be0c671f2557fd810e7a4dbd0940893a7cb30a510e26cf0da3014c511",
        "status": "COMMITTED",
        "view": 0
      },
      "state_proofs": [
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 1,
          "node_id": "cain-evid-node-1",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.653570+00:00",
          "sequence": 1,
          "signature_b64": "XcxmCwkfSAJVru/O9O+dH00JoBVa0kPZaPygOIupw/eKD3egoG2bMnN3HySOqI5EMWRtg5Vx6WCigiT/AEAjCg==",
          "state_root": "0d4bc66be0c671f2557fd810e7a4dbd0940893a7cb30a510e26cf0da3014c511",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 1,
          "node_id": "cain-evid-node-2",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.670436+00:00",
          "sequence": 1,
          "signature_b64": "sU2hnsOqOVBpcwcOwJUjskOhvKr0jL8cgDe5D3j+IvnFjo/+C5jOZwlFnQ+n5m7xjkC8314+FCpjT+3xKQCUDg==",
          "state_root": "0d4bc66be0c671f2557fd810e7a4dbd0940893a7cb30a510e26cf0da3014c511",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 1,
          "node_id": "cain-evid-node-3",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.690515+00:00",
          "sequence": 1,
          "signature_b64": "1+54xQs6VSPD239JxX/Sm+s0h3LpAcNlVeNPwtBkIXib5Hv6+HypTqS/bwvNar8cLcsMEMGFqn19gF88+zceAA==",
          "state_root": "0d4bc66be0c671f2557fd810e7a4dbd0940893a7cb30a510e26cf0da3014c511",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 1,
          "node_id": "cain-evid-node-4",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "x7BeDtSmFgnGT8/+QASutDzJQ4EhF806F35AogcvwSE=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:14.708909+00:00",
          "sequence": 1,
          "signature_b64": "8Ft2YeCeT/WUmMAorQuPvDiK4t2Yx4+SzJBPIX68IOvOsimzd18Tm1O3KqIn/QsUCLwRkuqzkk19WZiquYK/BQ==",
          "state_root": "0d4bc66be0c671f2557fd810e7a4dbd0940893a7cb30a510e26cf0da3014c511",
          "view": 0
        }
      ]
    },
    {
      "crashed": [
        "cain-evid-node-4"
      ],
      "name": "S2 CRASH node-4; commit with 3 of 4 (f=1)",
      "quorum_certificates": [
        {
          "claimed_accepted_signers": 3,
          "pinned_keys": {
            "cain-evid-node-1": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
            "cain-evid-node-2": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
            "cain-evid-node-3": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
            "cain-evid-node-4": "x7BeDtSmFgnGT8/+QASutDzJQ4EhF806F35AogcvwSE="
          },
          "qc": {
            "accepted_signers": [
              "cain-evid-node-1",
              "cain-evid-node-2",
              "cain-evid-node-3"
            ],
            "authority_epoch": 1,
            "certificate_digest": "639071127d60798021865a12bdc1022bd75cbba0aad7c6ba6b5cf96844c89446",
            "cluster_id": "cain-evid-b76ac5",
            "created_at": "2026-09-21T18:04:16.581680+00:00",
            "expires_at": "2026-09-21T18:05:16.581680+00:00",
            "membership_config": {
              "cain-evid-node-1": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
              "cain-evid-node-2": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
              "cain-evid-node-3": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
              "cain-evid-node-4": "x7BeDtSmFgnGT8/+QASutDzJQ4EhF806F35AogcvwSE="
            },
            "rejected_signers": [],
            "request_digest": "5b9bbe5d2537526a4766c26bbfb1a80b97c63dc681f00e3ca5fbd809ae363c9d",
            "request_id": "evid-r2",
            "sequence": 2,
            "state_root": "d06c58c28701831c5e38f8b89157c3200fd815ec038b02e8ba00178742ebc932",
            "view": 0,
            "votes": {
              "cain-evid-node-1": "LJ6rc96LJCY82nNyC0lWuso/UWtwgrwobcPVrQ8GuqV9LXme/M5R6aVHpyi7lDrQH5GiLx7eIBJUyVrIhKyqBg==",
              "cain-evid-node-2": "yS4ShNiavGtMdzKk7MPIias1zc4ym8LuY065p9ztgpH2hIAWRh6Ub/FjI8zqCbJ/nP+3ZUXukqHpTAtrp2lzBA==",
              "cain-evid-node-3": "IHv8vsIRQVHobwXGWhOCwhHvvMG9K3MxRIjO0PidO0ThcyNwgO+7EMGJvJOH173gBmxvu4MXxcYGESnbzhQgDw=="
            }
          },
          "required_quorum": 3
        }
      ],
      "response": {
        "application_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
        "authorization_id": "auth-0ab9474e5115438d",
        "authorization_proof_digest": "9b6de2a3a62a39b1187a83c7cc123e49e1ba9007b4e6a6bc1f47464f908300d2",
        "cluster_size": 4,
        "decision": "ALLOW",
        "enforcement": "PERMIT",
        "engine_version": "33.4-production-hardened",
        "quorum_certificate_accepted_signers": 3,
        "quorum_certificate_digest": "639071127d60798021865a12bdc1022bd75cbba0aad7c6ba6b5cf96844c89446",
        "quorum_certificate_status": "VALID",
        "quorum_size": 3,
        "sequence": 2,
        "state_root": "d06c58c28701831c5e38f8b89157c3200fd815ec038b02e8ba00178742ebc932",
        "status": "COMMITTED",
        "view": 0
      },
      "state_proofs": [
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 2,
          "node_id": "cain-evid-node-1",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:16.651163+00:00",
          "sequence": 2,
          "signature_b64": "Qv9W+7a4jbJrTzjs4cfcEJksoQ9N1g7oD/8xVJMIxzlK2QJqfvNLsx5WrpeIWST3r5Xy5r0pGiRfzQxi7pZmBQ==",
          "state_root": "d06c58c28701831c5e38f8b89157c3200fd815ec038b02e8ba00178742ebc932",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 2,
          "node_id": "cain-evid-node-2",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "SEU+ACVviznHoerNn+ggSV5bIWxvOb6zyeY8ySR1DEM=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:16.678484+00:00",
          "sequence": 2,
          "signature_b64": "+6THUxyrquclOMJbP1p8NKeWtsyzpAZ59AabD023xTGEdcrDtGplSOz0j2XBoM7sCVbY1OnliXGUy/XM0Ec5Dw==",
          "state_root": "d06c58c28701831c5e38f8b89157c3200fd815ec038b02e8ba00178742ebc932",
          "view": 0
        },
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 2,
          "node_id": "cain-evid-node-3",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "jDovhysgA/QEMueG3f4tzRrFM5aRx+k7cUEslOAcpns=",
          "quorum_size": 3,
          "sealed_at": "2026-09-21T18:04:16.719404+00:00",
          "sequence": 2,
          "signature_b64": "QV+ey5FmNhKZbAaHViyb75EIf7HHli/ArPRuemTHWy6haaekIAMBZWIbrqF0kd0jd1M5/Pf3mnW22TwfTVcPDw==",
          "state_root": "d06c58c28701831c5e38f8b89157c3200fd815ec038b02e8ba00178742ebc932",
          "view": 0
        }
      ]
    },
    {
      "converged": false,
      "name": "S3 RESTART node-4; observe convergence (recorded as observed, not asserted)",
      "restarted_reachable": true,
      "sequences": {
        "cain-evid-node-1": 2,
        "cain-evid-node-2": 2,
        "cain-evid-node-3": 2,
        "cain-evid-node-4": 1
      },
      "state_proofs": [
        {
          "application_state_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a",
          "cluster_id": "cain-evid-b76ac5",
          "cluster_size": 4,
          "commit_index": 2,
          "node_id": "cain-evid-node-1",
          "pbft_engine_version": "33.4-production-hardened",
          "public_key_b64": "jL7bFCnN6vs02N+jMIGxpp0QwPhBM+PgbNPPxI56REU=",
          "quorum_size": 3,
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}