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Evidence row 120720

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/tools/diff
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ca6d711b588107eff3e22639a3cc1cd35f72a8ba32ee7618eb8381a74303d1b2
Leaf
0xde3fd9cd5c6cfee456653c5e7fe9da4340706f81bfae78e8acd6b724f31bc659

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/tools/diff"
    ]
  ],
  "name": "Saylor Innovations Dev Tools",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:devkit:tools-diff",
          "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:devkit:tools-diff",
          "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:devkit:tools-diff",
          "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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:devkit:tools-diff",
          "reference": "6TsTQH1nZT8a583NqAbHNGNKzsmQA1Fb691W5ZxXchq5",
          "session": "eyJhcnRpY2xlSWQiOiJkZXZraXQ6dG9vbHMtZGlmZiIsInJlZmVyZW5jZSI6IjZUc1RRSDFuWlQ4YTU4M05xQWJITkdOS3pzbVFBMUZiNjkxVzVaeFhjaHE1IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI0MDAwMjg2NzZ9.-5Ct7tvW6EGWBCiXHXCXnrDpix62qhuyM8f3tfzqi0M"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:devkit:tools-diff",
          "reference": "Ta3Dhyg12duv1A3QDTFxymvFrDVSS1qb9uVnn3U6kQ4",
          "session": "eyJhcnRpY2xlSWQiOiJkZXZraXQ6dG9vbHMtZGlmZiIsInJlZmVyZW5jZSI6IlRhM0RoeWcxMmR1djFBM1FEVEZ4eW12RnJEVlNTMXFiOXVWbm4zVTZrUTQiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQwMDAyODY3N30.iaf_55AcRsvQyGC_nRQv3GWtpO82uVO16gxT1MspeZc"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "91812",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:devkit:tools-diff",
          "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": "94652",
          "reference": "BjEH2XV42gnZEp5utAAi2T25kHv9JEyJBFLsE2F4qMBk",
          "session": "eyJhcnRpY2xlSWQiOiJkZXZraXQ6dG9vbHMtZGlmZiIsInJlZmVyZW5jZSI6IkJqRUgyWFY0MmduWkVwNXV0QUFpMlQyNWtIdjlKRXlKQkZMc0UyRjRxTUJrIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkxODEyLCJleHAiOjE3OTI0MDAwMjg3Mzl9.LmpgfO22FTDNThRmg46VRnRrTGmkzcD_Lqv4IvyhQH4",
          "solUsdPrice": 105.65
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Text diff - line-by-line differences between two texts with added, removed and unchanged counts and similarity",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "a": "one\ntwo\nthree",
              "b": "one\n2\nthree\nfour"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "changes": [
                {
                  "a_line": 2,
                  "line": "two",
                  "type": "removed"
                },
                {
                  "b_line": 2,
                  "line": "2",
                  "type": "added"
                },
                {
                  "b_line": 4,
                  "line": "four",
                  "type": "added"
                }
              ],
              "identical": false,
              "lines_added": 2,
              "lines_removed": 1,
              "lines_unchanged": 2,
              "similarity": 0.5714,
              "truncated": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "a": {
                      "description": "Original text",
                      "type": "string"
                    },
                    "b": {
                      "description": "Changed text (each max 300 lines)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "a",
                    "b"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "changes": {
                      "items": {
                        "properties": {
                          "a_line": {
                            "description": "A line",
                            "type": "number"
                          },
                          "b_line": {
                            "description": "B line",
                            "type": "number"
                          },
                          "line": {
                            "description": "Line number or text of the line",
                            "type": "string"
                          },
                          "type": {
                            "description": "Type or kind",
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "checked_at": {
                      "description": "Time the check was run (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "identical": {
                      "type": "boolean"
                    },
                    "lines_added": {
                      "description": "Lines added",
                      "type": "number"
                    },
                    "lines_removed": {
                      "description": "Lines removed",
                      "type": "number"
                    },
                    "lines_unchanged": {
                      "description": "Lines unchanged",
                      "type": "number"
                    },
                    "similarity": {
                      "type": "number"
                    },
                    "truncated": {
                      "description": "True when the list was cut at the limit",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "identical",
                    "lines_added",
                    "lines_removed"
                  ],
                  "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": "2026-10-19T08:51:49.071Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T08:51:48.151Z"
    },
    "resource": "https://saylorinnovations.com/api/tools/diff",
    "serviceName": "Saylor Innovations Dev Tools",
    "tags": [
      "tools",
      "diff",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Text diff - line-by-line differences between two texts with added, removed and unchanged counts and similarity"
}

What the leaf hashes

{"body":"ca6d711b588107eff3e22639a3cc1cd35f72a8ba32ee7618eb8381a74303d1b2","id":120720,"kind":"listing","method":"baseline/1","observed_us":1793025618521862,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/tools/diff","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. 0xde3ff07365855adc0914d2fb7fa60b8a4a2e871b9d5f536f39a919b59035e51a
  2. 0x2a8d928a3cf1f610c7399912bd1296026a481404fc030b705f7984d997f9785e
  3. 0xd50bc75f0a9fbcafd675851211d76be194592958ec8fb315952d8aaf2f4d806d
  4. 0x66e8fd2af7fe12aa9ce59c2bec4aac006c5d76e419df85998fbc774d21dd98e4
  5. 0x6cd42f95791dd5311a85c23a0cdc0064929b2276200e8f60d0f3d56fb864b473
  6. 0x6a859d7a127ef371841ecc1fb0d7d80ac527780725d22d317244eab6e4d6518a
  7. 0x64f0ed3a08761218db5a77fb446c59c4b6b2fb442c295d786b567be81965dcd1
  8. 0xab52bd9e8d7683c54435bdc44e6e1184b02366507a42ef5fc05d6fdad91b6cbc
  9. 0x125af8f7cd21588db99b43b6dce00993684970d227da354bed15ca0087864f1e
  10. 0x12eb4e2b4ed9f7c86f939062c1dfe240b4ae07c2838ab2862752d9d227307515
  11. 0x85202061e6a75f8df085f0bff56604cbc8349d53f71525ea3c173296a57488dc
  12. 0xd5d3f9a510ef9bc1156a86fc24b9d0c3a67b96d7c1dad1563f35f879e0ac9b4b
  13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
  14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
  15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  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