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Evidence row 120043

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/kb/accessibility-remediation
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ba9bf77f53391a9c47d075075bbe10fe81ea30a90ca6408f1ff18ba259960f36
Leaf
0x506fefe9e77b6feeb0c3ee4511eccca09216669a65cd8f402da812587bc0043a

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/accessibility-remediation"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:accessibility-remediation",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:accessibility-remediation",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:accessibility-remediation",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:accessibility-remediation",
          "reference": "7bT3EWMACYe7xGxrwrEGEoXGbmeapa9a2i2DSMDDEk6c",
          "session": "eyJhcnRpY2xlSWQiOiJhY2Nlc3NpYmlsaXR5LXJlbWVkaWF0aW9uIiwicmVmZXJlbmNlIjoiN2JUM0VXTUFDWWU3eEd4cndyRUdFb1hHYm1lYXBhOWEyaTJEU01EREVrNmMiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjM2NTk3MTg2Mn0.G6jPUX-JiAN0K39jXWzTer5zFi2sPjC-AIEqjWLLvcY"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:accessibility-remediation",
          "reference": "5sTgeaswEscDsus5hTrnFFi4awpe9y3xyaFnjukmjafi",
          "session": "eyJhcnRpY2xlSWQiOiJhY2Nlc3NpYmlsaXR5LXJlbWVkaWF0aW9uIiwicmVmZXJlbmNlIjoiNXNUZ2Vhc3dFc2NEc3VzNWhUcm5GRmk0YXdwZTl5M3h5YUZuanVrbWphZmkiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjM2NTk3MTg2Mn0.GfqyDRyv-xDaQ0VRxeM_EeKs_m-imAESrVw-eqvIDTc"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "93610",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:accessibility-remediation",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "96506",
          "reference": "znExoiLEkQLjwkpXhwKeT38pSxbdgm92DcdPgorc3hr",
          "session": "eyJhcnRpY2xlSWQiOiJhY2Nlc3NpYmlsaXR5LXJlbWVkaWF0aW9uIiwicmVmZXJlbmNlIjoiem5FeG9pTEVrUUxqd2twWGh3S2VUMzhwU3hiZGdtOTJEY2RQZ29yYzNociIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzYxMCwiZXhwIjoxNzkyMzY1OTcxODYyfQ.0ivAaYI1XpRm2AIRxrYLAaiEVFkFAB-fsnyFsQHCFEQ",
          "solUsdPrice": 103.62
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Use when you need to fix accessibility issues. Get a prioritized WCAG 2.2 remediation plan: semantics, keyboard focus, labels, contrast, motion and errors.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "A prioritized set of source-level fixes that makes critical journeys perceivable, operable by keyboard, understandable, and robust with semantics, focus, labels, contrast, motion, errors, and assistive-technology verification against WCAG 2.2 criteria.",
              "c": "Web & Domains",
              "id": "accessibility-remediation",
              "t": "Accessibility Remediation Guide"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "body": {
                      "description": "Main body text",
                      "type": "string"
                    },
                    "c": {
                      "description": "Category of the guide",
                      "type": "string"
                    },
                    "id": {
                      "description": "Identifier of the record",
                      "type": "string"
                    },
                    "license": {
                      "description": "License identifier",
                      "type": "string"
                    },
                    "price": {
                      "description": "Price",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "t": {
                      "description": "Title of the guide",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "t",
                    "c",
                    "body"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-18T23:24:11.898Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-18T23:24:11.563Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/accessibility-remediation",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "accessibility",
      "wcag",
      "aria",
      "remediation"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when you need to fix accessibility issues. Get a prioritized WCAG 2.2 remediation plan: semantics, keyboard focus, labels, contrast, motion and errors."
}

What the leaf hashes

{"body":"ba9bf77f53391a9c47d075075bbe10fe81ea30a90ca6408f1ff18ba259960f36","id":120043,"kind":"listing","method":"baseline/1","observed_us":1793025617134553,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/accessibility-remediation","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. 0x506fea8a8100c5716b45fea5ff17ec6d6bbcc1c4a208c5e04a09c6684f1f970b
  2. 0x15df071b1ddf0121e34632d7fcede1b5d839c2dbc37e968cbb0921bf8c4e03c4
  3. 0x18879562804dc9b4d614776e73c18600c85c0153b065ab0af9c56941ff4116e3
  4. 0x8da96e28599f1c8b108d1cbe0efd3d04ef90cda014b87045f7ac9964764d14d3
  5. 0xbe84147b1ea5aff081bd0d529d7661e0c2f0693270a2abfd5128cd1695f761ae
  6. 0xe67db23bd036f32d2a81e007cb6f5ccbdbe30d7e05698294df2a7f51d2da6b6b
  7. 0x7dbda2a66ec4ceac18184c3d7afdcb65a4a9f7817db6a32c2389e7fb49df88c5
  8. 0xa089ecfdd63d1a81eccc85915cc1deb4fa44e156d2f429935f64b94080f15d4e
  9. 0x1ce8c17427e7cda68d27094400df00e10add7924ee994e68f479021a800ed65b
  10. 0x3ffc29bda4b9db0bbd22701201836cd30915524996019abd0333ddffdac24a1e
  11. 0xe281245a49847bca87f4c96f8da0284eeef688f3f597a62adb2d9089f4385e55
  12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
  13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
  14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON