Evidence row 119334

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://saylorinnovations.com/api/accessibility/tap-target
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 87f20ea31fc8b2df23b09c313dc9e2684f08b1c803210da888942decdac81e3f
Leaf: 0xb9f09c13fa16829e7c8bd91bedafc44ad69681dcf70cbd4a9cda31fadff3818c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/accessibility/tap-target"
    ]
  ],
  "name": "Saylor Innovations  Accessible T",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:accessibility:tap-target",
          "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": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:accessibility:tap-target",
          "reference": "Gnw1amNtVNTp5Rw5MJAB9DjdxQozpQ1h7bvXw1oj9rKA",
          "session": "eyJhcnRpY2xlSWQiOiJhY2Nlc3NpYmlsaXR5OnRhcC10YXJnZXQiLCJyZWZlcmVuY2UiOiJHbncxYW1OdFZOVHA1Unc1TUpBQjlEamR4UW96cFExaDdidlh3MW9qOXJLQSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkxODExNjc2MTUyfQ.yUJmoAfeWlLGmiGGMl1LenVMnG_2P8HcSrcFvfkv15g"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Tap target size checker from width, height and spacing - WCAG threshold flags",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "enhanced_target_size": false,
              "height_px": 28,
              "scope_note": "Sizing arithmetic only; not full WCAG conformance.",
              "short_side_px": 28,
              "spacing_px": 8,
              "wcag_aa_target_size": true,
              "width_px": 32
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "enhanced_target_size": {
                      "type": "boolean"
                    },
                    "formula": {
                      "type": "string"
                    },
                    "height_px": {
                      "type": "number"
                    },
                    "scope_note": {
                      "type": "string"
                    },
                    "short_side_px": {
                      "type": "number"
                    },
                    "spacing_px": {
                      "type": "number"
                    },
                    "wcag_aa_target_size": {
                      "type": "boolean"
                    },
                    "width_px": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "width_px",
                    "height_px",
                    "spacing_px",
                    "short_side_px",
                    "wcag_aa_target_size",
                    "enhanced_target_size",
                    "scope_note"
                  ],
                  "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/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-12T13:25:56.213Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-12T13:25:56.028Z"
    },
    "resource": "https://saylorinnovations.com/api/accessibility/tap-target",
    "serviceName": "Saylor Innovations  Accessible T",
    "tags": [
      "accessibility",
      "wcag",
      "contrast",
      "tap-target",
      "rem"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Tap target size checker from width, height and spacing - WCAG threshold flags"
}

What the leaf hashes

{"body":"87f20ea31fc8b2df23b09c313dc9e2684f08b1c803210da888942decdac81e3f","id":119334,"kind":"listing","method":"baseline/1","observed_us":1793025615156301,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/accessibility/tap-target","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).

0xb9f074dceb5b894f4a0c84802e248e36ddbf4b112dc3b09b39939b3dde95e4d1
0xfcd45629dab4ed1b4aea2b75ffe84ef2771e33c22a3ebc5857524d66c1bd97ef
0xaf55890ac34be9727b179f7e4a4690cd4491d07d6ec40fa1ffb5295313d786cc
0x5788f5f41361e98c65588296fa2fd21067e201728180a8a0e4f837cf2ba529da
0x98dde8c4e2dfbccc33756433758d3763e2407f214e4f9e00f6ea505b83662bb5
0x49903a571cb9a5f4792bf7088ccb50e2c77fbf7406df454145581ba136f26784
0xca34c1e13f4a2bfb61092e036d5ae7858d7d88e5b72438bd03f606878c86916d
0x4ac2f319225e09b49ecf4fdbd9efb345f95b3eeb57d9368b050bdbef8246fd52
0x6c0ddf14f4abe39ecf7a674334841c08fcdbfa08efdd79f308184c88870d00c4
0xdd4be627d1b063bd616b9a615efea7de87d552756726682d7d4d9d9e1ddb4856
0xd0a8fcd7581320df765e293ac18ecdb0c84895304e75682f6c130e9b5c6b0ed8
0x1a61f9ab4a9304db8146c466be341271a345718ebf06b718e0f0dd9f347d2fbd
0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON