Evidence row 75288

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://finance.openverbs.com/v1/loan"
    ]
  ],
  "name": "Loan amortization",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Compute the level monthly payment, total paid and total interest of a fully-amortizing loan. Handles a 0% rate. Set schedule=true to also return the full month-by-month amortization table.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "annualRatePercent": 1,
              "principal": 1,
              "schedule": false,
              "termMonths": 1
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "annualRatePercent": {
                      "description": "Annual interest rate as a percentage, e.g. 5 for 5%.",
                      "maximum": 1000,
                      "minimum": 0,
                      "type": "number"
                    },
                    "principal": {
                      "description": "Loan principal (amount borrowed).",
                      "exclusiveMinimum": 0,
                      "maximum": 1000000000000000,
                      "type": "number"
                    },
                    "schedule": {
                      "description": "Include the full amortization schedule. Default false.",
                      "type": "boolean"
                    },
                    "termMonths": {
                      "description": "Loan term in months.",
                      "maximum": 1200,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "principal",
                    "annualRatePercent",
                    "termMonths"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:39:19.511Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:39:19.358Z"
    },
    "resource": "https://finance.openverbs.com/v1/loan",
    "serviceName": "Loan amortization",
    "tags": [
      "loan amortization",
      "mortgage payment calculator",
      "monthly loan payment",
      "amortization schedule",
      "total loan interest"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compute the level monthly payment, total paid and total interest of a fully-amortizing loan. Handles a 0% rate. Set schedule=true to also return the full month-by-month amortization table."
}

What the leaf hashes

{"body":"2f5a4d4118a1fdd346a0ce11b511d47decda20b64ef10600462c1a137fb99c9d","id":75288,"kind":"listing","method":"baseline/1","observed_us":1793025490301871,"prev":null,"subject":"x402_bazaar:https://finance.openverbs.com/v1/loan","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. 0x4cb625775ce648d51fcb0db18af293d19c66f0e3a83981ab363f5a2398c884fd
2. 0x6d9e5d42ac4b5829b58400627fef219c94255ba26f05816f963cfc5fc8950613
3. 0x46f4ab19c5b05b476695bcf924540337226efb4c753b21a8394cb5d604645416
4. 0x26d83d025cac90fd1c574fb61ab7d4b322f42432314a45c592e69567bae7b0b3
5. 0xde9e364586b4d7b960b0ccd6639ecd46b54b5663cd9fa6640ea42af549ade304
6. 0x979d3c9ae360ed8e3c95609095d23812d6894a6e99339e86a800a9dfadc60cc2
7. 0x5d85bc77e3bdb532836d55b22fadfdb1fcd6fbcf03f1083657f1301a1a905b81
8. 0x567425bf46fc5bb87d385c6a9592d48b5eab9f3b75b913da250cf9f5e117bb91
9. 0x6343b8ef0eb054a517227007b1c394c007c9fd7fc50d7bd17f8b70d9a1250bca
10. 0x32dd5960bea005a040bbd1369f1894182fe94230e0a86fab637abe9785a5b0d9
11. 0x4a13cd2655a1d8b39528cfa63482483519544a5eb593623bd8ca3eb463e263b6
12. 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae