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Evidence row 2201423

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
de7897ec5032ef9714fb0f1cd073c488ca0d212ec328cb6c236110d137d9271a
Leaf
0xd6d0fedf6c3da5078e8a885aa45a57290472da8cd0e2350eaa58c9071fb97f6d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare"
    ]
  ],
  "name": "NO HANDS AI",
  "owner_address": "0x94f751f04b98507d31b500b7ed50be68a1514873",
  "raw": {
    "accepts": [
      {
        "amount": "10002",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
        "scheme": "exact"
      }
    ],
    "description": "Compare two to five x402 resources or servers by price, payment metadata, schema quality, seller consistency, and budget fit.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "budget_usdc": "0.02",
              "resources": "https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/alpha-risk,https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/token-alpha-snapshot"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "budget_usdc": 0.02,
              "candidates": [
                {
                  "amount_usdc": 0.01,
                  "description": "Illustrative resource A",
                  "flags": [],
                  "pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
                  "rank": 1,
                  "risk_level": "low",
                  "score": 85,
                  "url": "https://example.com/a"
                },
                {
                  "amount_usdc": 0.02,
                  "description": "Illustrative resource B",
                  "flags": [],
                  "pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
                  "rank": 2,
                  "risk_level": "low",
                  "score": 80,
                  "url": "https://example.com/b"
                }
              ],
              "decision_hint": "Use the top-ranked resource for low-value autonomous spend with Payment Guard.",
              "fetched_at": "2026-07-24T00:00:00.000Z",
              "limitations": [
                "Comparison is based on unpaid x402 metadata and caller-supplied URLs.",
                "A lower price does not prove better delivery quality."
              ],
              "product": "x402-resource-compare",
              "recommendation": {
                "amount_usdc": 0.01,
                "description": "Illustrative resource A",
                "flags": [],
                "pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
                "rank": 1,
                "risk_level": "low",
                "score": 85,
                "url": "https://example.com/a"
              },
              "schema_version": "1.0"
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/x402/x402/resource-compare",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "budget_usdc": {
                      "description": "Optional maximum acceptable spend for one chosen resource.",
                      "example": "0.02",
                      "pattern": "^[0-9]+(?:\\.[0-9]{1,6})?$",
                      "type": "string"
                    },
                    "resources": {
                      "description": "Comma-separated list of two to five public x402 resource or server URLs.",
                      "example": "https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/alpha-risk,https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/token-alpha-snapshot",
                      "maxLength": 4096,
                      "pattern": "^https?://",
                      "type": "string"
                    }
                  },
                  "required": [
                    "resources"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "type": "object",
                  "x-schema-authority": "STRUCTURED_PRODUCT_RESULT",
                  "x-schema-family": "STRUCTURED_PRODUCT_RESULT"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T02:44:10.745Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T02:44:10.562Z"
    },
    "resource": "https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare",
    "serviceName": "NO HANDS AI",
    "tags": [
      "x402",
      "no-hands-ai",
      "api-inspection"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compare two to five x402 resources or servers by price, payment metadata, schema quality, seller consistency, and budget fit."
}

What the leaf hashes

{"body":"de7897ec5032ef9714fb0f1cd073c488ca0d212ec328cb6c236110d137d9271a","id":2201423,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804900085,"prev":null,"subject":"x402_bazaar:https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare","subject_kind":"source_record"}

Proof

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

  1. 0xd6d0fe796cc0ce20ef6beb38cebdd4e78ed549c6f66043b043a7a44fbd5e10ba
  2. 0xa12003d471742f5b0875b721c136fecbce815b65a438999aaa0b521becc8fbe7
  3. 0x70ee9b76d9896cdd148ae6c51af3f8d4f293b382fc98e9815ab34b6c8233bfcc
  4. 0x49733446bf12976828847d394dabf247e48b2bbece8445823c15218fd6eed83f
  5. 0xe0bf56a6bd3878ab2566aca73c8356405b2a77ca35de64d14d087839f3bde912
  6. 0x354cddb08790a06bbb040231217f2ad206a2caba55972f510961900abb27eb42
  7. 0xd3ee436b2a0002e15fa5ba903b066da06fcb89b81f6f4061ef7babe225c66a79
  8. 0xa018b1d04f3073c4d4856e239c64ca90b98bb573433d47f73ffded12f91ca5e3
  9. 0x511720830e98f6163e90b7ba912bae40c859bc28f8a2d964de278217c5329631
  10. 0x22d3e9aa8228ce785813e5b081d3cdf6db488ae3e4fdc9ef1aeab465ad3beaa4
  11. 0x9c65c76829eca17a0af68f0dc695c440cc0bffeb2a468afa53dc6263619f7f01
  12. 0x7187889e0cb6879609e91cd98c7d6289b291639a739c761b50ed349bfcd02009
  13. 0x0a0b06366ac223b57a065057db885c66f1a3225264321b3732529557f57cf2a7
  14. 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
  15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
  16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON