Evidence row 283083

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": "8",
          "l30DaysUniquePayers": "4"
        },
        "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": "6",
          "l30DaysUniquePayers": "2"
        },
        "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": "2",
          "l30DaysUniquePayers": "2"
        },
        "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": "4",
          "l30DaysUniquePayers": "3"
        },
        "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":"1abb98a9ac26a2ea3893c4530cae17bd16b953b0670859040ffc51a7dc7f2b92","id":283083,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793042685961464,"prev":3288,"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 2026-10-26 (296695 rows).

1. 0x82867a4c55f7df6269e6f4a70f4cccb9db2ca2d6d5a757899c0e5e4ec0b66fe7
2. 0xb65e374f05e8d123fd2eb5bc5ef4cec20e5c427ef63beca18414ac398d7d4563
3. 0x66a97b244c48670849fff3cb9aad060f5d9876a9cc19344db6db86caccd43a39
4. 0x4f1d807ddced8fe9b843c43bc29705e5b3e169e22fc5f4a8fff4d75847a62961
5. 0x75a9872b40e07f23c556743907c047190653527b295a50d87d6338a3ef2a36de
6. 0x94a429b055b86adaaabf4e59fafff2e9d0abd0de501204c7f296d3f0a76f2a29
7. 0xee436f9d59ced31d1c317f9dc1c47506a22a69634bbe6a4a11f5ae0f4f661e75
8. 0x8e95b641fe9622f26dcadd28b617ad41007efe53fd3f5d2151c1af3abde93b67
9. 0x3ffbbd8d309432d0032a93755ada21cc2d60b298f7bd9378566522f8fd2cb5a3
10. 0x68b9c13007eacffd2dc146b099ac237e3cce9c995bb23c895d088539fb9a0df0
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