Evidence row 1792002

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://port-402-production.up.railway.app/v1/memory/:key"
    ]
  ],
  "name": "Port 402",
  "owner_address": "0x672a660139eb7e487f62fdb138b1519d7d48b7f7",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "paymentFlow": "upfront",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x672a660139eb7e487F62Fdb138B1519D7d48b7F7",
        "scheme": "exact"
      }
    ],
    "description": "Store a JSON value under a key in your persistent memory (namespace = your paying wallet).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "value": {
                "task": "remember this"
              }
            },
            "bodyType": "json",
            "method": "PUT",
            "pathParams": {
              "key": "hello"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "key": "notes",
              "ok": true,
              "updatedAt": "2026-11-01T00:00:00.000Z"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/memory/:key",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "value": {
                      "description": "Any JSON value, max 64 KB"
                    }
                  },
                  "required": [
                    "value"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "PUT"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "key": {
                      "description": "Memory key",
                      "pattern": "^[A-Za-z0-9._:-]{1,128}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "key"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T23:42:57.202Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T23:42:56.957Z"
    },
    "resource": "https://port-402-production.up.railway.app/v1/memory/:key",
    "serviceName": "Port 402",
    "tags": [
      "memory",
      "storage",
      "persistence",
      "agent-memory"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Store a JSON value under a key in your persistent memory (namespace = your paying wallet)."
}

What the leaf hashes

{"body":"e9d2a75aef17fc67e363f4dbcd88f067deb06ec8b70253a9ffcbf84b084dcc2e","id":1792002,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560002821701,"prev":1509683,"subject":"x402_bazaar:https://port-402-production.up.railway.app/v1/memory/:key","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xa3216e4365ac675810f1ffc73d2671245d713de690c4c350a6c1106df8e1447c
2. 0x17dd0bfcd0b9fea0fd731b310f132d0b632a78c37f2d500a8eaa3dca9ce9ddf3
3. 0x93b4e56fe11830ce365ab5161a43338d811e2e53ba401ba1c1ba3dbaf3d88be6
4. 0xbbd2da44c567ab77a1d645b6d115f52c10bb85d16aff12cdd7961a273f7040ac
5. 0xb8a2c2afae30a4d273c3d5b36d17dc77990cb8a6f2f81770077d6972a4ca0fb5
6. 0xad48327aba01453b001cd8c5d8b82856a992bc2d3c41f0ae342fe0955c4a8ec3
7. 0x70ec242c4c67a4756b85e3b0e55f0ea858c1f9f3fc53fb314a242bf3ae7365ee
8. 0xfba008c073e4a6cf555988257f5bd54f9f5d86c50d2355230595a7604222fead
9. 0xc9a48bc80e82580e358319f0036654b94b2ecb41fa095cfad7411789b1f93749
10. 0x14d1c583fadad552d4b290efaf04dc906cec3af940316fe70e21daeb6460e3ac
11. 0x5c3b2e69706afe9e3e145c1d73e0496d82fedaf71e01a886bc0762625be55c1f
12. 0x6b5205bedd7166a29c65accd94d8712bda0788871f706deedb0153b03d169d1b
13. 0x83027c0ec1e982e02eb36b0853f91c562f016c08ec6b3d360763c1a90f4a9cea
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90