Evidence row 1509683

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://port-402-production.up.railway.app/v1/memory/:key"
    ]
  ],
  "name": "Port 402",
  "owner_address": "0x672a660139eb7e487f62fdb138b1519d7d48b7f7",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "paymentFlow": "upfront",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x672a660139eb7e487F62Fdb138B1519D7d48b7F7",
        "scheme": "exact"
      }
    ],
    "description": "Delete a key from your persistent memory.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "DELETE",
            "pathParams": {
              "key": "mcp-test"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "deleted": true,
              "key": "notes",
              "ok": true
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/memory/:key",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "DELETE"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "key": {
                      "description": "Memory key",
                      "pattern": "^[A-Za-z0-9._:-]{1,128}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "key"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T18:24:50.669Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T18:24:50.495Z"
    },
    "resource": "https://port-402-production.up.railway.app/v1/memory/:key",
    "serviceName": "Port 402",
    "tags": [
      "memory",
      "storage",
      "agent-memory"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Delete a key from your persistent memory."
}

What the leaf hashes

{"body":"dfe642b6b21d06662f81ed5aa721ac4e744316ee7030bc59ccf6ca9211843f88","id":1509683,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472816376706,"prev":null,"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 2026-10-31 (246033 rows).

1. 0x1b8154b56f05c1ace90440db2d4f109d532410e06adcdc2af008e2c218b01573
2. 0xd81a761799edbee9bd140989603eecb0c6ad476d19004033b9222badf8dbbbfa
3. 0xdceafc8fdfebc4ae4a4208e4ff7cbafd17ac9724e488d78a2734d1d5b6521ff2
4. 0xb63038a97690dc826fe544277f1f8c39bf52b430bb408c5ac8f42331a7497083
5. 0x3e3a20615634e2bff70251b35752193cc5852fdc4a132cb2eda9fdf4e26996f4
6. 0x3861bf55ec7bb83b804973b0fc62e87204e0d44069a5658bb89942652d782613
7. 0x863a68b804c605f26aca4087ec3c92cc6599c90e1587468993ec458cd09848ef
8. 0xd7a87dedfea3156bc9cabe9301fa89773763dcdc44379fd09fa3d00942a84db9
9. 0x013c7302115422aa23a79ac36b852737edb6e8ef56909c555482036607d26ab5
10. 0xebe42946b52439b348dad8985da5f0ead2693c10f95dd29e977f461c9322ac89
11. 0x045e02e63d93718ea0d86e5bd8d403575323031e8f4c2d55f4b2bc82e0199fe5
12. 0x8a696807387da79797692f50fd71b3e9f20bc764b5b3d60a7d7ede651a9e7cd5
13. 0xf1614e76e51b9462cf7a91e5141af61bc7debba634c8798728c24a84f197b6aa
14. 0x9ceb0cca7e6a4252fd4bc9968554fbb343590c4ea20f4c2a07778fe411162b49
15. 0x95ec49fc7f2c7be30422eaa1d0d6036836dd63ff46a8ed4027258fcf3eb8cf24
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0