Evidence row 68454

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/education/college-savings"
    ]
  ],
  "name": "Saylor Innovations  College Savi",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:education:college-savings",
          "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:education:college-savings",
          "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:education:college-savings",
          "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:education:college-savings",
          "reference": "91tkbKy1rMuM49WP8kvziUq2sHe2sGF3V5A3uV4hnF7f",
          "session": "eyJhcnRpY2xlSWQiOiJlZHVjYXRpb246Y29sbGVnZS1zYXZpbmdzIiwicmVmZXJlbmNlIjoiOTF0a2JLeTFyTXVNNDlXUDhrdnppVXEyc0hlMnNHRjNWNUEzdVY0aG5GN2YiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5Mjk5NjgxMDQ3OH0.SfKq_-pZ43MiQn8g_ceysQ0-UMe_eHnouFC7-0LvaCw"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:education:college-savings",
          "reference": "9xN8MAvzABhm4YCV9qH2fjYYGJ2P8b6pqmAz2ehVkbY9",
          "session": "eyJhcnRpY2xlSWQiOiJlZHVjYXRpb246Y29sbGVnZS1zYXZpbmdzIiwicmVmZXJlbmNlIjoiOXhOOE1BdnpBQmhtNFlDVjlxSDJmallZR0oyUDhiNnBxbUF6MmVoVmtiWTkiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5Mjk5NjgxMDQ3OH0.WMlirTpGQwLUm5ojiERf2a6_1uVUjjQ25HMRGZYiexk"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "96324",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:education:college-savings",
          "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": "99304",
          "reference": "2jXHAyKh49Ebhz8scsj7sysxWQcWQUecxrt6wb2cdSTW",
          "session": "eyJhcnRpY2xlSWQiOiJlZHVjYXRpb246Y29sbGVnZS1zYXZpbmdzIiwicmVmZXJlbmNlIjoiMmpYSEF5S2g0OUViaHo4c2NzajdzeXN4V1FjV1FVZWN4cnQ2d2IyY2RTVFciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTYzMjQsImV4cCI6MTc5Mjk5NjgxMDQ3OH0.mYMMghFW9y_WMIOOZI-tchacsuL4Tyt49njiEUsRr18",
          "solUsdPrice": 100.7
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Future college cost, funding gap, monthly savings to cover 25-100% and 529 rules",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "annual_cost_today": "30000",
              "child_age": "5",
              "cost_inflation_percent": "4",
              "current_savings": "8000",
              "monthly_contribution": "250",
              "return_percent": "6",
              "years_in_college": "4"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "funding": {
                "monthly_needed_for_100_percent": 480,
                "percent_funded": 52.1
              },
              "projected_total_cost": 168000
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "annual_cost_today": {
                      "description": "optional all-in yearly cost in today's dollars (tuition, room, board, fees); or use cost_type (query)",
                      "type": "string"
                    },
                    "child_age": {
                      "description": "required current age 0-17 (query)",
                      "type": "string"
                    },
                    "cost_inflation_percent": {
                      "description": "optional yearly increase in college cost, default 4 (query)",
                      "type": "string"
                    },
                    "current_savings": {
                      "description": "optional (query)",
                      "type": "string"
                    },
                    "monthly_contribution": {
                      "description": "optional planned contribution (query)",
                      "type": "string"
                    },
                    "return_percent": {
                      "description": "optional growth while far from enrollment, default 6 (query)",
                      "type": "string"
                    },
                    "years_in_college": {
                      "description": "optional, default 4 (query)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "child_age"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "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/v1792548358/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-26T06:38:10.519Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T06:38:10.246Z"
    },
    "resource": "https://saylorinnovations.com/api/education/college-savings",
    "serviceName": "Saylor Innovations  College Savi",
    "tags": [
      "retirement",
      "planning",
      "calculator",
      "monte-carlo",
      "mortgage"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Future college cost, funding gap, monthly savings to cover 25-100% and 529 rules"
}

What the leaf hashes

{"body":"35f40990777fa818662202fabc20befb56ef14872e278e1420952a0dbf19632c","id":68454,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025466715339,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/education/college-savings","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).

1. 0xb4009b34f3d97c8f1ba6bbb1be33f0e346c8c3073cfe0d4583ee5ddc267ba7ec
2. 0xcc1ec43220016b8793cf08216995bbd4970c596a8f9117aeb9929a6a854dbed4
3. 0x006bbd0f6c993053b10f5b7db6d0e96bcf5077bed4199312d0206cb452016201
4. 0xd72e8c391b244782d84ad47f928c48aedc99e9e0c10ed894dc917073e8a6fe6a
5. 0x64b3a4d4709d4b3c7c53de553be6a4f1e232a4ea1c567bbca4e60cc5cd1bc332
6. 0xde3cf85e258e079416727a0f729bc0a5af7d5411c6d8c1b50d2d3d6cdda64c88
7. 0x9c763f6c77713f00636b90958ecf49e1e2c56447c965d852be9dc92a476a6287
8. 0xf9d079e45434050b15f7b6b3159acdd820f1f7dfbb9c8868b54a60620463fbd4
9. 0x1febf46acae5d729433fefda7e1123eb690cce1d18b908d70421662873f455b7
10. 0xf04f1893fe6291cdbc16182b9a16bead5bf9b24bd4e846024218e2491f79cc69
11. 0xc50bb1c2185da1e4294f4829be5412051ce30550dd05a2a26962841b3ba2399d
12. 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
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