Evidence row 123859

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://via-router.floot.app/_api/intent_exchange"
    ]
  ],
  "name": "VIA Intent Exchange",
  "owner_address": "0x4dd30c8d8615b9d9f47e01ed5ff7507a2415fdaa",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 600,
        "network": "eip155:8453",
        "payTo": "0x4dd30c8D8615B9d9F47e01ED5Ff7507a2415fdAA",
        "scheme": "exact"
      }
    ],
    "description": "VIA Intent Exchange: submit one buyer intent; VIA federates existing live markets and sources, matches candidates and returns a ranked route.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "country": "US",
              "intent": "Find the best paid service for this buyer intent",
              "market": "auto",
              "maxBudgetUsd": 25,
              "preferredCurrency": "USD",
              "recurrence": "one_time",
              "successCriteria": [
                "must satisfy the stated buyer goal"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "alternatives": [],
              "mode": "federated-buyer-intent",
              "paid": true,
              "product": "VIA Intent Exchange",
              "recommendation": {},
              "settlement": {
                "network": "eip155:8453",
                "transaction": "0x..."
              },
              "sources": [
                "Coinbase Bazaar"
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "country": {
                      "type": "string"
                    },
                    "deadline": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "intent": {
                      "type": "string"
                    },
                    "market": {
                      "enum": [
                        "auto",
                        "services",
                        "commerce",
                        "information",
                        "travel"
                      ],
                      "type": "string"
                    },
                    "maxBudgetUsd": {
                      "type": "number"
                    },
                    "preferredCurrency": {
                      "type": "string"
                    },
                    "recurrence": {
                      "enum": [
                        "one_time",
                        "recurring"
                      ],
                      "type": "string"
                    },
                    "successCriteria": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "intent"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-20T15:48:19.998Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-20T15:48:19.774Z"
    },
    "resource": "https://via-router.floot.app/_api/intent_exchange",
    "serviceName": "VIA Intent Exchange",
    "tags": [
      "intent-exchange",
      "buyer-intent",
      "procurement",
      "marketplace",
      "routing"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "VIA Intent Exchange: submit one buyer intent; VIA federates existing live markets and sources, matches candidates and returns a ranked route."
}

What the leaf hashes

{"body":"f64a7c6338c6ffb484c17e4a2f84e92b9ee5249a189a944dac854c6cbc9fdc39","id":123859,"kind":"listing","method":"baseline/1","observed_us":1793025623794880,"prev":null,"subject":"x402_bazaar:https://via-router.floot.app/_api/intent_exchange","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. 0x25241ae0344ffb09d36bc82c1a9d1fb96c38ae012e43472adc8ea01fba5d69e5
2. 0xd4fa57f0a06e70950805a15c97c41c9f766089d9d46909f5f1d78bfc7ca479ca
3. 0xebb066c3e46f7153f0867977671da8d78da4b5e8adc7dcf005306edb41154a3d
4. 0x78d3dd88d7d64df81e204a5a3de7b24c91879c500fdddb07fe3e47aeff176098
5. 0xca13faa965fd25811851cdd5b6fc993c420d3e7f0d864d3d1d18276318244817
6. 0xcf1d245796c1c9c02d3c8ba3e8e8f396bf44d6bf71b44deec1571f5782e7aece
7. 0x8ea3ff635033b1f7b51bb287964c1c65116363d0394ae44156b33858594970d7
8. 0xc45551956d0af1232087bf86f0abcfc48276443a49df9a4a133f4541d846f064
9. 0xe0ec3cb867c1d6d6934adce03b9860c51aac68beb3585d32db4eb0a316cc2ac4
10. 0xa3e719d02f51b46be66819cdf2d71d951df05065c30197eda7848e688a094863
11. 0xcd59d6e87f33016070792bd627b1f58155e890e1fdf84deab560cdcb1c986874
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae