Evidence row 2190213

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://promptqualityscore.com/api/pqs-grade"
    ],
    [
      "x402",
      "https://promptqualityscore.com/api/preflight"
    ],
    [
      "x402",
      "https://promptqualityscore.com/api/score"
    ],
    [
      "x402",
      "https://promptqualityscore.com/api/variants"
    ]
  ],
  "name": "promptqualityscore.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "promptqualityscore.com",
    "endpoints": [
      {
        "description": "Quick pre-flight quality score: composite (0-100) + grade (A-F) + three framework sub-scores (PEEM, RAGAS, G-Eval) + verdict. Run upstream of any other paid call to filter weak prompts before inference. The cheapest gate on the AI input quality problem.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Explain PQS scoring in one sentence to an AI agent operator.",
            "group": "body",
            "name": "prompt",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "general",
            "group": "body",
            "name": "vertical",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://promptqualityscore.com/api/pqs-grade"
      },
      {
        "description": "Pass/Fail before you waste budget on a doomed call. Decide whether to make a paid LLM call before you make it. Preflight scores your prompt against an 8-dimension quality rubric (pass/fail at 28/80) and optionally pulls the target endpoint's on-chain trust signals — total payments, unique payers, last activity. Two-in-one circuit breaker for agents that don't want to waste budget on weak prompts or sketchy endpoints. (rev 2)",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/api/weather",
            "group": "body",
            "name": "endpoint_url",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Explain PQS scoring in one sentence to an AI agent operator.",
            "group": "body",
            "name": "prompt",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "general",
            "group": "body",
            "name": "vertical",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://promptqualityscore.com/api/preflight"
      },
      {
        "description": "PQS score - 8-dimensional prompt quality breakdown across 5 frameworks with top fixes",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Explain PQS scoring in one sentence to an AI agent operator.",
            "group": "body",
            "name": "prompt",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "general",
            "group": "body",
            "name": "vertical",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.025",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://promptqualityscore.com/api/score"
      },
      {
        "description": "PQS variants - N ranked prompt rewrites scored on the 8-dimension rubric, returned best-first",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 3,
            "group": "body",
            "name": "count",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Explain PQS scoring in one sentence to an AI agent operator.",
            "group": "body",
            "name": "prompt",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "general",
            "group": "body",
            "name": "vertical",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.1",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://promptqualityscore.com/api/variants"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "promptqualityscore-com",
    "integrationType": "",
    "isNew": false,
    "name": "promptqualityscore.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.044",
      "currency": "USDC",
      "maxAmount": "0.1",
      "minAmount": "0.001"
    },
    "provider": "promptqualityscore.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"668019ef8f7c1f57b73573ca0ab1d7ff43c6da65a49e429855f965b15065ad60","id":2190213,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793643669257222,"prev":28554,"subject":"agentic_market:promptqualityscore-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x8f4a9e770998bb62080d0da60e10d5a333a81bdfcd3044ccc53ebb148771b9bf
2. 0x5d26bab0a471f3a461f076bd780722a83ae6aa6cc43b75fff28dfd8f63d8f563
3. 0x42bced7ab77d06ae89cb6aa15e5f2e93ff69c8f4ea8fe4db77a4b49be5ee5c73
4. 0xcc5b40b07ae1862ca865a188568dd83e401d8a7575295d604b340efaf7f86d9b
5. 0x12022f434963330a7a6a73c266002819a90ac062d8032098a45aeea6028d9a8b
6. 0x44896f94597e4bdd2f45d2611115b9ea8b906af5e8552e2a73fa6828467ac545
7. 0x4330f72cd9b3ba8154e754e7d058c4aa1c63df9d59b9f348f7cae838cb253d00
8. 0x30bc06f53705ca4004be9384f6e8b5a0f1b70067dc656d59cd08c61c99847d9d
9. 0x97ba3e60d8075c757cdc17046b55d280e3d7466f20794f1268152b6138b951de
10. 0x6996f163465b4245b215ee7d6cbb5c7309fcddb887d9c0295fdc4447ff46e84f
11. 0xc08191ff13ffd4ce882a8ca7667b2daeb3c9a33e44d61227acbbc63a39c40e26
12. 0x0a1171d423b8986d66fcb09b500ee0cce0433114096ff8bca257f6b3431db17f
13. 0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af