Evidence row 28554

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": "3",
          "l30DaysUniquePayers": "3"
        },
        "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":"503065cd328a205ae4372b58e95453873d05018b012d056e04ec6772b6839579","id":28554,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025359803915,"prev":3383,"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 2026-10-26 (296695 rows).

1. 0x72e8b0b0caf9590ad8694abbdcfda787c00bf671cc78276d46966e5b8a6f9656
2. 0x7f4f28b06cb4c67bce371ea951673289e6f435b43e3540b8c9b4d2538eaaf6b6
3. 0x8b6abc146c1b2b924c7f0e6db89d1ebc4f07240e9d39900a23315abe4e029f1b
4. 0xb7912c3a1a884578d5f1295bf44c4ff9001f84e33aacec597faadb83d8069d2f
5. 0x15b02635c9f4f681b5d079715f95185112e93cbd8e78900d289ac509f525a0d9
6. 0xba37890337eab7507fbb3ed96ce3c77bf8d3807af88e7352af57b3623bb11a08
7. 0x998b3ff71331ee1b3d5c5bb193ae9cf2cd7493348078f316c5d322ff1bfb14db
8. 0xc3eb638fe542c34766a325ed25948396811c2fc605c2a497c98f05962a07138f
9. 0x3535943122431e7c2826492f8dd76fcee69a4bf3bb60c7b87d7ed0ee4e0ea06a
10. 0xc2fcd11ef5af6a59df481070e310192a7ac0d719b88489223003ed02d68e2c79
11. 0x4ad1cba264cd30b4cce9fb7c52897b51c3d91649c3d00e37d10c56aed923e338
12. 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
13. 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae