Evidence row 1790071

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://foundry.dap.solutions/api/compute-day-count-to-settlement"
    ]
  ],
  "name": "DAP Foundry",
  "owner_address": "0xa590d98bbee97533bd7dfed19c0a89ffeeeb1384",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xa590d98bbee97533bd7dfed19c0a89ffeeeb1384",
        "scheme": "exact"
      }
    ],
    "description": "Settlement date and day-count fraction on the Payments Canada calendar. Stale calendar data is refused, never guessed.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "accrual_start": "2026-07-01",
              "acknowledge": "no-ruling-v1",
              "calendar": "ca-payments-canada",
              "convention": "ACT/365F",
              "freshness_tolerance": "P90D",
              "settlement_lag": "2",
              "trade_date": "2026-10-09"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T10:31:55.539Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T10:31:55.338Z"
    },
    "resource": "https://foundry.dap.solutions/api/compute-day-count-to-settlement",
    "serviceName": "DAP Foundry",
    "tags": [
      "finance",
      "settlement",
      "day-count",
      "calendar"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Settlement date and day-count fraction on the Payments Canada calendar. Stale calendar data is refused, never guessed."
}

What the leaf hashes

{"body":"1d5845b51fa1a7f8abf8c9d489884082820a80a515c0bdad37ea429164d06d8d","id":1790071,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559931388588,"prev":null,"subject":"x402_bazaar:https://foundry.dap.solutions/api/compute-day-count-to-settlement","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xe72b162913d8b697b37f3044e8e50102085d7be19624f59bd40d0ade41e86248
2. 0x5d494bfb99cb1461a56e7eb4097322fba0e875adc9e26c1a5cdb9ca62760596b
3. 0x48f8cf41fb5cc7e5af16c4e8aa9f4d5c463d4a8c8d0cc58e956dcffc4b7c7791
4. 0xf020665921e938c85f4bbc2f7157d9801f5ef963747532c06703b92d46550705
5. 0x325ed80bdaa031bea25b7b3b563aeec2d52a1cab129ad34c478e248203975d57
6. 0x96fae96f299c841a6889d3c004fc55d50e55a1e89d97dac2a964284f60af22da
7. 0x15fa41931328610344e7b8b8d8ad025c289724f36d005e741c244d6328f869ce
8. 0x55e229435e57088723ece51dacd8e3cbb2b5fa361cc33e70b969517937723822
9. 0xf0aa2100558482c0071596fd4c5f8efc3e0820a8efff5bde7931e87833b5ab25
10. 0x98e258c45ff89cda8ec8cc52d8eec08185424984023ff75aa095dd48ea582b20
11. 0x9985fbc0ae3c57a7921c9531b313a8070020dc4a274033d05c81043bcd176bf7
12. 0x88f388e99f620f52463bef8e2a864310e2482a28431e205d9b1869498e75a162
13. 0x2d4c132f554f691978e574150c9c62f9035c2116f17d214b64785e8513cda423
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90