Evidence row 120839

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/vuln/kev"
    ]
  ],
  "name": "Saylor Innovations Vulnerability",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:vuln:kev",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:vuln:kev",
          "reference": "4Jb1MsJK2YumbSShUcpRyeF2aR51FRYzRb8BayVSLrCG",
          "session": "eyJhcnRpY2xlSWQiOiJ2dWxuOmtldiIsInJlZmVyZW5jZSI6IjRKYjFNc0pLMll1bWJTU2hVY3BSeWVGMmFSNTFGUll6UmI4QmF5VlNMckNHIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIzMjI4MDAwMjV9.vUWXkzXaPai4FnxkcXuhu6K_LzRyJ20srgCFyGSJzug"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "CISA Known Exploited Vulnerabilities added in the last N days, with EPSS, due date and required action",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "days": "30"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "catalog_version": "2026.09.24",
              "count": 1,
              "days": 30,
              "matches": 21,
              "top_vendors": [
                {
                  "n": 6,
                  "vendor": "Microsoft"
                }
              ],
              "vulnerabilities": [
                {
                  "added": "2026-09-24",
                  "cve": "CVE-2026-5430",
                  "due_date": "2026-10-15",
                  "epss": {
                    "percentile": 0.998,
                    "probability_30d": 0.91
                  },
                  "product": "Connect Secure",
                  "ransomware_use": false,
                  "vendor": "Ivanti"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "days": {
                      "description": "optional window of catalog additions, default 30 (query)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "catalog_version": {
                      "description": "Catalog version",
                      "type": "string"
                    },
                    "count": {
                      "description": "Number of items returned",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "days": {
                      "description": "Number of days",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "filters": {
                      "description": "Filters applied to this query"
                    },
                    "matches": {
                      "description": "Matching items",
                      "type": "number"
                    },
                    "since": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "top_vendors": {
                      "description": "Top vendors",
                      "items": {
                        "properties": {
                          "n": {},
                          "vendor": {}
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "vulnerabilities": {
                      "description": "Known vulnerabilities",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "matches",
                    "vulnerabilities"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-18T11:24:40.066Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-18T11:24:39.88Z"
    },
    "resource": "https://saylorinnovations.com/api/vuln/kev",
    "serviceName": "Saylor Innovations Vulnerability",
    "tags": [
      "security",
      "vulnerabilities",
      "dependencies",
      "osv",
      "cve"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "CISA Known Exploited Vulnerabilities added in the last N days, with EPSS, due date and required action"
}

What the leaf hashes

{"body":"9fa1cd4e4f5004b548925c9bca323d99c16a032a5c5579e972a59471baaf1192","id":120839,"kind":"listing","method":"baseline/1","observed_us":1793025618885788,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/vuln/kev","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x99d4efda724dbb484a75df8c40fd7a8aec1e1753f204647ea71003c92ecb8a83
2. 0xf524a80443f4bd2a656dd35f321dac902d421269acc3974eab3c7e8d3a88bdd7
3. 0x53a2d15dfbcaca4eb1224034b6c6f650d3f89b798c03da81692561479bb60a92
4. 0x20fc18869b4bf79a248705420478ee54ca2397d4cf6c0f54c69725c173687f63
5. 0xdfe5b39dc2dbdf906f9119b9dc2f751cc9ebe687de947f7d201221b7189e0f2c
6. 0x1b1fde43ff5f684ee45988c6f6874f3edd5ea91d5ca8e2991cd6ab3dbb7fe915
7. 0x496696b27c5c1e3c08e2759995ce0a9c06a0d874f1c15b2d37d9bbc75340fc01
8. 0xf2668431b929bcda23285418d346da048696090ad5b6a03e0c48add727f9f6d5
9. 0x0ee07e6cc060db401b72ca3aad3ddb8f20b92e617fa48be759c318386896a54d
10. 0x5f0ab04037f02b99972d6b76445e37cd5ba1ec6ac47f36a9b265411ab683344b
11. 0xee5ef8d84c329a24d375330252426182463aa2a536127b218e61007c87101323
12. 0xfee33ee0189dc82c649bd0324796a297b897507b2fddbbe2eff331c40c960ce2
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae