Evidence row 1508265

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://desktop-klb86tv.tailc3a527.ts.net:8443/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
            },
            "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": "2026-10-30T23:50:37.336Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T23:50:35.948Z"
    },
    "resource": "https://desktop-klb86tv.tailc3a527.ts.net:8443/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":"c0096364da7bfc614dc7fa11f623e4411ee7324e4d5fea90bd1c3f3a6240bc84","id":1508265,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472709133669,"prev":null,"subject":"x402_bazaar:https://desktop-klb86tv.tailc3a527.ts.net:8443/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 2026-10-31 (246033 rows).

1. 0x586d887798059d5f66d6109e3ccbf11f89e65bad3ae1b48eab7e5081802a01d1
2. 0x5c0674e9ceb27231741a837c853824b2282c9ef292d8b06e1dce0613255b3702
3. 0x40dc896abe046eb97be9dbcebd529990e3c8288c09f0f9d7073ba585473b43a4
4. 0x94e1852f5f259b0e8a946168bba6d1d217c833eb0fc471c2cdad1c98364a5989
5. 0xc228fe87558f5ac6ea6250fb993f50df3f069fb3eec21622783c84527e565da5
6. 0xb25456ceb21524c3d31d164fa3341091e01a77cf14a103e31e968b988dc72b4f
7. 0x79cc4d56629f538e0b07469ed7fe88a2a43b3b5925dc9fe5f69d52d9eee56c2f
8. 0xfca841dd24b0c271001e78bb8fa2cca8bb02903a0b8acdbdfac4a4348d98f70a
9. 0x74678a8ac7ba7d24371535169f2f4347fe2d5fd696fb263e2b662a16b595d720
10. 0x3a0a29285da5aa27d41b9346b9a5237a510b09ec2549896ab11377a934762a7a
11. 0xcfa82215aa3e4f6e7b9fb223ec1ccf27027b2555393e769dd9ffa613574d6bb8
12. 0x65483455d5c442d95c7650b52953c3790c619e4025dd64cdc945c351f4d38f4f
13. 0xa8adfe03e7bfd7580367f22d610544f01486dbc60cf68eb73feceed76cf862a1
14. 0x4491b6c04d316f311f7fea4ea34ae52fbca9c230259096575b403fb7b124627a
15. 0xb9a00c724331b305deaa876d5d2baf53b847ff3c7ce37abb0ae1653b2534aad5
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0