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Evidence row 61997

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://agent402.tools/api/skill/content-grade
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
25b1f118444b3131ee06cfd3223dcb80f3ea6ee6f3da3fa8bd357353dd696392
Leaf
0xb0ad895da53a88bcc224f91dc4bd234b84307635016e138fcd056793b2ba1c10

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent402.tools/api/skill/content-grade"
    ]
  ],
  "name": "Skill: Content grade",
  "owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
  "raw": {
    "accepts": [
      {
        "amount": "12000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "outputSchema": {
          "properties": {
            "args": {
              "properties": {
                "url": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "pack": {
              "type": "string"
            },
            "steps": {
              "items": {
                "properties": {
                  "ok": {
                    "type": "boolean"
                  },
                  "result": {
                    "type": "object"
                  },
                  "slug": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": "array"
            },
            "summary": {
              "type": "string"
            }
          },
          "required": [
            "pack",
            "args",
            "steps",
            "summary"
          ],
          "type": "object"
        },
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:1329",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "13000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:4663",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "upto"
      },
      {
        "amount": "12000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
        "scheme": "exact"
      },
      {
        "amount": "120000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
        "scheme": "exact"
      }
    ],
    "description": "Grade a page's content quality - extract the readable content then analyze keyword density. Content grade skill pack: one x402 payment runs 3 underlying tools (extract, keywords, readability-score); partial-success per step.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://agent402.tools/docs"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "args": {
                "url": "https://agent402.tools/docs"
              },
              "pack": "content-grade",
              "steps": [
                {
                  "ok": true,
                  "result": {},
                  "slug": "extract"
                },
                {
                  "ok": true,
                  "result": {},
                  "slug": "keywords"
                },
                {
                  "ok": true,
                  "result": {},
                  "slug": "readability-score"
                }
              ],
              "summary": "3/3 steps succeeded"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "url": {
                      "description": "URL of the page to grade",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "args": {
                      "properties": {
                        "url": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "pack": {
                      "type": "string"
                    },
                    "steps": {
                      "items": {
                        "properties": {
                          "ok": {
                            "type": "boolean"
                          },
                          "result": {
                            "type": "object"
                          },
                          "slug": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "summary": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "pack",
                    "args",
                    "steps",
                    "summary"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_b4aw4uzd"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1788138502/bazaar-icons/478aced8e219894c.png",
    "lastUpdated": "2026-10-20T01:49:46.917Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T01:49:46.73Z"
    },
    "resource": "https://agent402.tools/api/skill/content-grade",
    "serviceName": "Skill: Content grade",
    "tags": [
      "skill-pack",
      "workflow",
      "content-grade",
      "agents",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Grade a page's content quality - extract the readable content then analyze keyword density. Content grade skill pack: one x402 payment runs 3 underlying tools (extract, keywords, readability-score); partial-success per step."
}

What the leaf hashes

{"body":"25b1f118444b3131ee06cfd3223dcb80f3ea6ee6f3da3fa8bd357353dd696392","id":61997,"kind":"listing","method":"baseline/1","observed_us":1793025452274335,"prev":null,"subject":"x402_bazaar:https://agent402.tools/api/skill/content-grade","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xb0adfa2441a4e189817a489c960d7a5b11794d6b0a9c5fe40be850aea0788eff
  2. 0x48792d9f3836d2759564f377de5e5163b1ce52b74d65791d0d8245be69313878
  3. 0xcb1cc7071d29c034f4a7a1ddb39e34f0aa992e42910a64f23e86001e4948b1aa
  4. 0xc26c90050c399344bb3d0aa486d3783bedf3c242f2fbe2d601b84c8098461b23
  5. 0xb207364e421475de7f3dea477ca3e7f53a5efc7e82791e3343a6a4204ffde84b
  6. 0x78fea3d15f768058dbb791ff6263f3d8da0e2dfbc932ba864e857e1cbe47cb55
  7. 0x73e293ed49ec8477b1284e46013edda1ee4ab56cde7ebb604807952dccc9e249
  8. 0x958f68924bb006f4dff47977d36722b4999e36cbfe4821aec40cf431dce995f5
  9. 0x1a12bbb29c8c25f927fae999403e7f139d5a26f57c6ceda9c0c4533448b2bdc5
  10. 0x864dcc49d9807b07fc9f373b1bca313664699969735d983a4f575c0d0ac7ac37
  11. 0x68459613b28284909eadec125bcf23808811e99ecfabc229bf7deb2178ab9826
  12. 0xce1aeb889b974291cea1fbfd01595655bd2c1b3636dc5b56eeb8904adb9f6c65
  13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
  14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
  15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON