Evidence row 64185

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agenttoll.app/api/try/spread"
    ]
  ],
  "name": "agenttoll.app/api/try/spread",
  "owner_address": "0xe55359021a6a22d8385b827405991c56075f56f8",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe55359021a6a22d8385b827405991c56075f56f8",
        "scheme": "exact"
      }
    ],
    "description": "Turkish exchange spread check: BTCTurk and Paribu's TRY quotes converted back to USD via the official rate and compared against the global price; ?asset=usdt is the pair with the deepest local volume",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "asset": "usdt"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asset": "usdt",
              "at": "2026-08-05T13:31:58.678Z",
              "exchanges": [
                {
                  "impliedUsd": 1.00509,
                  "name": "btcturk",
                  "spreadPct": 0.578,
                  "try": 47.53,
                  "unavailable": false
                },
                {
                  "impliedUsd": 1.00466,
                  "name": "paribu",
                  "spreadPct": 0.535,
                  "try": 47.51,
                  "unavailable": false
                }
              ],
              "globalUsd": 0.999318,
              "officialUsdTry": 47.2891
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "asset": {
                      "description": "Optional. Cross-rate asset, default btc",
                      "enum": [
                        "btc",
                        "usdt"
                      ],
                      "type": "string"
                    }
                  },
                  "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": "2026-10-08T05:37:24.928Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:37:24.271Z"
    },
    "resource": "https://agenttoll.app/api/try/spread",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Turkish exchange spread check: BTCTurk and Paribu's TRY quotes converted back to USD via the official rate and compared against the global price; ?asset=usdt is the pair with the deepest local volume"
}

What the leaf hashes

{"body":"22e4673b3e20690fac210b8fd2defa8f42afbdb195e21dfef620330f7fe36e5c","id":64185,"kind":"listing","method":"baseline/1","observed_us":1793025456144563,"prev":null,"subject":"x402_bazaar:https://agenttoll.app/api/try/spread","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. 0x81fa284e91e2ea9e1a87bc6f8ecd05d2ea87b10ea800e989b9672d7c60325d2a
2. 0xd8ac92ff8c0d0ae8a5c06663d49e756031fbbf2279dc28bfb3d5a5c22ab4590e
3. 0x0d6cbdb451c68d371b44c7588b90d253fe1d3ee6d0fdac56db623c0a5abe6a9c
4. 0x2208c272e0ab8f026abbe673456f080a1466f7cdbfdd98d20e8d70b23ac74c58
5. 0xcfca46d091c8cd07c14f9b8f37dfd849d9c88a721194857fcde88f7364ee03f9
6. 0x576da1e04cf9c1c3f7e21be73db613238406e3061076b9227fcb082fd183f1ca
7. 0xc23a683f26b1280a0c6982a7f6e70179c39377b9e6389f042f5d3c3ee865d27a
8. 0xb602829ec998007ba61dbcf07dc9ec260483d9f6f5e2db5914ddb84a45fe8244
9. 0x70a96c8cf361474ac111c0c64a614d31ddbca6ad53d9ce5acdf877885e1cf0c2
10. 0x7bf314ce864607e38419173b8ca20496acb0a600d828b634ce110759da75fc95
11. 0xc99774cfa2126cb7b4c49d6b3fd2510795689e2dec7886bdb1a009218327ef2e
12. 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae