Evidence row 1035809

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-paid-mcp.vercel.app/api/v1/sha256"
    ]
  ],
  "name": "x402-paid-mcp.vercel.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "x402-paid-mcp.vercel.app",
    "endpoints": [
      {
        "description": "Compute a SHA-256 hex digest of a text payload. Cryptographic hash / checksum helper. Not an attestation.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "hello",
            "group": "body",
            "name": "data",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "utf8",
            "group": "body",
            "name": "encoding",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "36",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://x402-paid-mcp.vercel.app/api/v1/sha256"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "x402-paid-mcp-vercel-app",
    "integrationType": "",
    "isNew": false,
    "name": "x402-paid-mcp.vercel.app",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.001",
      "currency": "USDC",
      "maxAmount": "0.001",
      "minAmount": "0.001"
    },
    "provider": "x402-paid-mcp.vercel.app",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"1b4b6093890cfbdb0df67cde10d34ea0255703bc7fa8858644c03b4a412577d5","id":1035809,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793297727651198,"prev":525876,"subject":"agentic_market:x402-paid-mcp-vercel-app","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x4d5ffa92099a03a78505f9be961bc69005d84d3f8572f264e7bbb42b88ea1961
2. 0xa08cd271a63657f05667da235cfdb67e32967144c37bc112a89ce3121932d60b
3. 0x67f60115756765bdaf82491e6617691c578202ae4f46bd42451542ce1cbf09eb
4. 0x217d75b8eff5fdd57094cad17f904e507871b4481fa1074e678bdb523145b08e
5. 0xb4d49797d811d56b415ca2625ae0ca3bc7f8cd93a4e1a76546378c1004247324
6. 0xf26d3f913927c6d2fe821e857009790c94bd6467911c7450cc49a197e6bd4304
7. 0xfc7589c46df294235e2e176d0b467cbeabece12b16910dafcd8c9778793b581b
8. 0xadba6d7b930d1c9705c90fee65c005a2b86f25ce2c5b9d1d9f8ef4222b59580c
9. 0x97816a02761c6d71bfebf3d2fd5199aa61d135a42a5e61041d5c4dd4e17701f1
10. 0x727d5ee652bf1f27dd990e1d7f011120c1285052d833c1855380f8a975787280
11. 0xe6ac0d837012f4a37198cc3b492484d0093f2e9ff7108e782a697ad8ed5ea9b3
12. 0x67e9f947056da96126d9e1726e1fb4f2e7e79699a668a04b64a80a2142ffa546
13. 0x631d9e4d32a0770b1547484c1f6ccb27bbc012377527b96eadfe1ed1aad5997e
14. 0xba203712cc4170d9697121c2026471be02b4061fd0831c90d2971031c905f0c1
15. 0x0bc4adb5c11d6f42a54004eb9a86e4a9294c3fb793d78af72f971454ecfe5b44
16. 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1