Evidence row 527316

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://payments-intel-production.up.railway.app/v1/chain"
    ],
    [
      "x402",
      "https://payments-intel-production.up.railway.app/v1/corridor"
    ],
    [
      "x402",
      "https://payments-intel-production.up.railway.app/v1/provider"
    ],
    [
      "x402",
      "https://payments-intel-production.up.railway.app/v1/stablecoin-rails"
    ],
    [
      "x402",
      "https://payments-intel-production.up.railway.app/v1/token"
    ]
  ],
  "name": "payments-intel-production.up.railway.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "payments-intel-production.up.railway.app",
    "endpoints": [
      {
        "description": "What are the basic facts of this chain (CAIP-2 id, gas token, explorer, x402/MPP settlement, stablecoins)? Cited chain facts from a prepared dataset: CAIP-2 chain id, gas token, finality class, block explorer, whether x402 and MPP settle there, and stablecoins. Fields not established from a source are the string \"unknown\". Unknown chains and malformed input return 404/400 and are never charged.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "base",
            "group": "query",
            "name": "chain",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "9",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://payments-intel-production.up.railway.app/v1/chain"
      },
      {
        "description": "Who can move money from this currency or stablecoin to that one, in this country, over which rails? Money-movement routes from one currency or stablecoin to another: corridors providers publish (rails, speed, fee notes, cited), plus on/off-ramp routes inferred from ramp coverage, labelled as inferred.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "MX",
            "group": "query",
            "name": "country",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USDC",
            "group": "query",
            "name": "from",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "MXN",
            "group": "query",
            "name": "to",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.03",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://payments-intel-production.up.railway.app/v1/corridor"
      },
      {
        "description": "What exactly does this provider support, where is it licensed and what does it charge? Full cited record for one provider: stablecoin rails, corridors, licences, published fees, coverage, developer and agent-payment support. Every fact has source URL, retrieval date, quote and confidence.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "circle",
            "group": "query",
            "name": "id",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "7",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://payments-intel-production.up.railway.app/v1/provider"
      },
      {
        "description": "Who can on-ramp, off-ramp, issue or settle this stablecoin, on which chain, in which country? Stablecoin rails by asset, chain, country and service, with the cited stablecoin block for each matching provider (assets, chains, ramp countries, fiat rails, custody model). Country matches say whether the country is listed or only covered by a 'global' claim.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USDC",
            "group": "query",
            "name": "asset",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "MX",
            "group": "query",
            "name": "country",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://payments-intel-production.up.railway.app/v1/stablecoin-rails"
      },
      {
        "description": "What are the symbol, name, decimals, contract address and issuer of this stablecoin on this chain? Cited stablecoin token facts from a prepared dataset (USDC, EURC, USDT, PYUSD, DAI on the chains /v1/chain covers, where a permissively licensed source lists them): symbol, name, decimals, contract address, chain, issuer, each with a source citation and license. Fields not established from a source are the string \"unknown\". Malformed input and tokens not in the dataset return 400/404 and are never ",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "base",
            "group": "query",
            "name": "chain",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "USDC",
            "group": "query",
            "name": "symbol",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://payments-intel-production.up.railway.app/v1/token"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "payments-intel-production-up-railway-app",
    "integrationType": "",
    "isNew": false,
    "name": "payments-intel-production.up.railway.app",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.0104",
      "currency": "USDC",
      "maxAmount": "0.03",
      "minAmount": "0.001"
    },
    "provider": "payments-intel-production.up.railway.app",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"0de069da684736156af10d27625112dc27bb8fb6b9f1a3dd56fa39ecf41161ac","id":527316,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793124798600720,"prev":283083,"subject":"agentic_market:payments-intel-production-up-railway-app","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. 0x3412dfd87af0691362cd36d0dc01646933a584c89cbe73587610e7b0d7365013
2. 0x61303172caaf3fc2a7a5eff1e41c7279cf2e0f95ef7419fe3b98ef4a6b4b2ec6
3. 0x6d056b40e3168da061856baf5793181f9837a93975d265a8cc150be3ddaf8646
4. 0x85a6cbe9ea3aeb11024388e6fa44679698d4d5983ccfca54698e5d32a733f681
5. 0xfe4d36aad2e9050bad1300d6b28fbbae53719883a4e63ba6c665272d7f0ce3b1
6. 0x54e03c5230811174b08adaff5265a3f1f552189432cad673081e042e20ee6e14
7. 0x7f9fcee46779c2001b56535cb72102982d783e02421340c1ed11b9f022d1ce21
8. 0x6eb1239a8f60ef24c5c969617fbceecf8829ff3229595d211fa800c4346dac9d
9. 0x465e32e1083c4ddfccb04cf11f20624313dbab7a2cf9a8c3d95d9de7d5cbed97
10. 0x454813db020b1bc98c641d32bbc5439b4c00415b21d504d3c0c2d0020f655787
11. 0xcb89a70f40d4a54e11019bbf6ca92907e89dd0bd1af2c3499464c58d9b463f5a
12. 0x7c26e7a3f70416cc7cabc8e770eba81b50b410fc94aaae40ac450b47b34edecc
13. 0x5a83a2d5b2abb340c16172caf3ef83b831e168d2e94e4154a4ad72adcac5cad2
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4