Evidence row 15174

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mru-oracle.com/forex"
    ]
  ],
  "name": "mru-oracle.com/forex",
  "owner_address": "0x237371f8b372a02b58fb430eb564b7c5cb936f75",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x237371f8b372A02b58fB430eb564b7c5cb936f75",
        "scheme": "exact"
      }
    ],
    "description": "MUR exchange rates (Bank of Mauritius): Bank of Mauritius consolidated indicative rupee exchange rates for GBP, USD, EUR and JPY (per 100), with buy/sell/mid and ~26 business days of USD/EUR/GBP history.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "asOf": "2026-09-29",
                "base": "MUR",
                "quote": "Mauritian rupees per `unit` of each foreign currency",
                "rates": [
                  {
                    "buy": 46.7442,
                    "code": "USD",
                    "currency": "USD 1",
                    "mid": 47.5305,
                    "sell": 48.3168,
                    "unit": 1
                  },
                  {
                    "buy": 29.3135,
                    "code": "JPY",
                    "currency": "JPY 100",
                    "mid": 29.9972,
                    "sell": 30.6809,
                    "unit": 100
                  }
                ],
                "source": "Bank of Mauritius"
              },
              "status": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "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": "2026-10-21T02:47:53.535Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-21T02:47:53.27Z"
    },
    "resource": "https://mru-oracle.com/forex",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "MUR exchange rates (Bank of Mauritius): Bank of Mauritius consolidated indicative rupee exchange rates for GBP, USD, EUR and JPY (per 100), with buy/sell/mid and ~26 business days of USD/EUR/GBP history."
}

What the leaf hashes

{"body":"dfa190c0219419b0f316a1b35727202eab43e24423b82fc64789a88405793a1b","id":15174,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025319982985,"prev":null,"subject":"x402_bazaar:https://mru-oracle.com/forex","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. 0xab232015f623bb47ac26a9c8d5b2c4bdb328f192785e78f0fffab6591b307c5b
2. 0x4253625d74b85896acbd00b17762c44182a60690cf06d7210fee051f2fa31e40
3. 0xde7a30b1d8aa5f48e339367596d9373fc631cd7a1222e064802bea0dbde9f11e
4. 0x4817f1e2ea42a74383ad021f9b9d26ec044d7568f3157d0eaf1108d4333e7cc8
5. 0x6263bcc592280057526e7d095323821a24cff5cba3528aba22b7b8b88f6c23b4
6. 0x5215bbeff106ffdb62970142eed70e13c54aa916b584a2fb4237da1b68bc7b8d
7. 0x1b2a4f53f484bc82ae3c61856afe82d9cca7c298e37d921a52b0e25de24b5327
8. 0xec727589e3887d9d72399db6e3834b225b9e22e9960fc0b228e5a7c40f2a4ca2
9. 0xb2f9446ce7798f59d9247a308536d0fd17fdd2b00d7475c5d4e70be1fc3f2ab1
10. 0xea4d13234daa2356ba56f85bc05f62bf50c2b60afe9142f035f11ed729c88248
11. 0x34f0b80539e95d0ba892dff063414c35c62850f82e1414765524114c8dbacb57
12. 0x09a19b8d31a6e948e5051cb72b98b1d2b2bfe053f62d6d24d61c22b3ed1c3f24
13. 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae