Evidence row 408840

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://runtime.rootlogos.com/v1/participation"
    ]
  ],
  "name": "runtime.rootlogos.com/v1/participation",
  "owner_address": "0x13c474081bec0459f06f750e687ffeb4a35a4f39",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x13c474081BEc0459F06F750E687ffeB4a35A4F39",
        "scheme": "exact"
      }
    ],
    "description": "Offer one bounded contribution to Root Logos for constitutional evaluation and preservation. Current open call: https://rootlogos.com/agent-call.json. Payment grants no admission or authority.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "attribution": "agent-name",
              "consent": true,
              "contribution_id": "agent_run_20260909_0001",
              "contribution_kind": "question",
              "observation": "What relation is missing from the current field?",
              "participant_class": "machine"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "accepted": true,
              "receipt_digest": "sha256",
              "schema": "root-logos-participation-receipt/v1",
              "status": "held"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "attribution": {
                      "maxLength": 120,
                      "type": "string"
                    },
                    "consent": {
                      "const": true,
                      "type": "boolean"
                    },
                    "contribution_id": {
                      "maxLength": 128,
                      "minLength": 16,
                      "pattern": "^[A-Za-z0-9_-]+$",
                      "type": "string"
                    },
                    "contribution_kind": {
                      "enum": [
                        "observation",
                        "question",
                        "relation",
                        "correction",
                        "proposal"
                      ],
                      "type": "string"
                    },
                    "observation": {
                      "maxLength": 6000,
                      "minLength": 20,
                      "type": "string"
                    },
                    "participant_class": {
                      "enum": [
                        "machine",
                        "human-machine",
                        "undeclared"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "contribution_id",
                    "contribution_kind",
                    "observation",
                    "consent"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "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"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T19:30:17.818Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T19:30:17.652Z"
    },
    "resource": "https://runtime.rootlogos.com/v1/participation",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Offer one bounded contribution to Root Logos for constitutional evaluation and preservation. Current open call: https://rootlogos.com/agent-call.json. Payment grants no admission or authority."
}

What the leaf hashes

{"body":"ada18e2f28f017f1e03c447ec0144e4770ec16dcbe6760cb06013616f0209437","id":408840,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080332580857,"prev":297687,"subject":"x402_bazaar:https://runtime.rootlogos.com/v1/participation","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xf9bf29f320573927b6f919b8b40085068fa6d4d65ad5278bae8d85fc6f87c68a
2. 0x94fe00a62a20faf28c975b516c171fea82a820b22d11ec55b691d53732fa385e
3. 0xa3c8faf2393542f75836d2b3ed3285b32c027b7f6be4d5454036a8a8f68c0552
4. 0x2d7974ead409fda02ae976ae3e54b7dc17984960a8fd9d2904c287309d06814b
5. 0xa0c60ecb54f614e691fc4ad34953ea62ce90ab05a7c918554f200391106a6d9a
6. 0x03ae79e65a8e7a54a56d510b05330ed1f5ba94922972fb5adaba169278d4b6a8
7. 0xf4ba05b25c09c0f2e8bfb43adc82f4ba8f82d16acf2d7110feb14a4a2b5f6371
8. 0xa65c93d0efb178b97fe813179cacf017b3621604c5275526161fa7dd0e00ec7e
9. 0x6464f88b76fee35c405f5243f6988ba15e40f03a0a362d1e6ed789caa8bcbdb0
10. 0x99ccdd0dbb782152b81cbfe0c76a4780045a358404968491c7f233c4dfe1e6c0
11. 0x38d8d177d48b033acf33474f44cf1a36a3cfaa58563d48c7d92671c34bb12589
12. 0x58215df828d47943a710362ab6e17ad0eb4a7c42a13dbec3ab2635d1abf3945f
13. 0xf24b37f8ac293f5328e3e6b28cf868989fe99debf025c153c0d9a1698e846e25
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4