Evidence row 124533

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.mahastrategies.com/api/v1/verify/payments/buyer-policy"
    ]
  ],
  "name": "Buyer Spending Policy Check",
  "owner_address": "0xec84c1cd6602bbe387bc8e6f0d3c062f2762de28",
  "raw": {
    "accepts": [
      {
        "amount": "10021",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xec84c1cd6602bbe387bc8e6f0d3c062f2762de28",
        "scheme": "exact"
      }
    ],
    "description": "Compare up to 64 proposed Base-USDC calls with a declared total budget, per-call cap, allowed payees and human-approval requirement. Returns policy mismatches and exact arithmetic totals. Does not authorize, sign or execute payments; caller approval labels are not verified. New modular adapter: retained result recovery for 24 hours, minimal receipt metadata for 90 days. Existing live route unchanged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "allowedPayees": [
                "0x1111111111111111111111111111111111111111"
              ],
              "budgetBaseUnits": "100000",
              "calls": [
                {
                  "amountBaseUnits": "10000",
                  "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                  "humanApproved": true,
                  "id": "call-1",
                  "network": "eip155:8453",
                  "payee": "0x1111111111111111111111111111111111111111"
                }
              ],
              "dataClass": "synthetic",
              "perCallCapBaseUnits": "50000",
              "requireHumanApproval": true
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "chargedAmount": "10021",
                "inputHash": "sha256:0f4dac29db1854377d921e11b99fe353c34e61a599e821bd68625510c…",
                "limitations": [
                  "Public or synthetic inputs only. Caller labels are declarations,…"
                ],
                "productId": "buyer-spending-policy-check",
                "result": {
                  "budgetExceeded": false,
                  "checks": [
                    {
                      "codes": [],
                      "id": "call-1"
                    }
                  ],
                  "consistent": true,
                  "executionAuthorized": false,
                  "totalBaseUnits": "10000"
                },
                "resultHash": "sha256:207a9dd76b6b5af30be3b40b9d6200d687dc6b8077a53a455eca0d0bc…",
                "sourceContractAmount": "35000",
                "version": "maha-legacy-adapter/1"
              },
              "proof": {
                "settlement_id": "0x00000000000000000000000000000000000000000000000000000000000000…"
              },
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "allowedPayees": {
                      "maxItems": 32,
                      "minItems": 1,
                      "type": "array"
                    },
                    "budgetBaseUnits": {
                      "maxLength": 16,
                      "type": "string"
                    },
                    "calls": {
                      "maxItems": 64,
                      "minItems": 1,
                      "type": "array"
                    },
                    "dataClass": {
                      "enum": [
                        "public",
                        "synthetic"
                      ],
                      "type": "string"
                    },
                    "perCallCapBaseUnits": {
                      "maxLength": 16,
                      "type": "string"
                    },
                    "requireHumanApproval": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "dataClass",
                    "budgetBaseUnits",
                    "perCallCapBaseUnits",
                    "allowedPayees",
                    "requireHumanApproval",
                    "calls"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "data": {
                      "type": "object"
                    },
                    "proof": {
                      "type": "object"
                    },
                    "success": {
                      "const": true
                    }
                  },
                  "required": [
                    "success",
                    "data",
                    "proof"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "maha-input-bound-recovery": {
        "info": {
          "automaticRepayment": false,
          "binding": {
            "automaticRepayment": false,
            "inputHash": "sha256: + lowercase HEX(SHA256(RFC8785(strictly parsed input)))",
            "nonce": "0x + lowercase HEX(SHA256(RFC8785({version,productId,inputHash,recoverySecret})))",
            "paymentSignatureHeader": "base64 x402-v2 PaymentPayload with EIP-3009 TransferWithAuthorization",
            "productId": "buyer-spending-policy-check",
            "recoverySecret": "32 cryptographically random bytes encoded as 64 lowercase hexadecimal characters; keep private",
            "version": "maha-api-v1/1"
          },
          "complimentaryCorrection": false,
          "inputHashHeader": "X-Maha-Input-Hash",
          "receiptRetentionSeconds": 7776000,
          "retentionSeconds": 86400,
          "secretHeader": "X-Maha-Recovery-Secret",
          "version": "1",
          "withdrawal": "stops-new-purchases; retained-paid-result-remains-recoverable"
        },
        "schema": {
          "type": "object"
        }
      },
      "maha-modular-contract": {
        "info": {
          "contractHash": "sha256:241a3d34cb154073e1921f10f0f4f68e3e984b5136dd0340255200ec80b05850",
          "declarationUrl": "https://www.mahastrategies.com/api/v1/discovery/describe?id=buyer-spending-policy-check",
          "id": "buyer-spending-policy-check",
          "requiresBuyerRecoveryAdapter": true
        },
        "schema": {
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1786099228/bazaar-icons/1a820036513dff1d.png",
    "lastUpdated": "2026-10-14T06:52:27.113Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-14T06:52:26.952Z"
    },
    "resource": "https://www.mahastrategies.com/api/v1/verify/payments/buyer-policy",
    "serviceName": "Buyer Spending Policy Check",
    "tags": [
      "verify",
      "payments",
      "buyer-policy",
      "bounded-computation",
      "evidence"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compare up to 64 proposed Base-USDC calls with a declared total budget, per-call cap, allowed payees and human-approval requirement. Returns policy mismatches and exact arithmetic totals. Does not authorize, sign or execute payments; caller approval labels are not verified. New modular adapter: retained result recovery for 24 hours, minimal receipt metadata for 90 days. Existing live route unchanged."
}

What the leaf hashes

{"body":"91dd8efcee9ff2dcc9d856cc42c4012b38f1fcc3ca36f7627bcc3d45203229a9","id":124533,"kind":"listing","method":"baseline/1","observed_us":1793025624910059,"prev":null,"subject":"x402_bazaar:https://www.mahastrategies.com/api/v1/verify/payments/buyer-policy","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. 0x3b48ce2df7d8b939e854234622075d54c944be6c991db620b00901b6d221e232
2. 0x6f2e6e9a62d048ea262a1e794c98f5c4b50bffc02525c34b9c164271697a67c2
3. 0xc5d35170f05459343765180ae67cb267f1ce190350addf15666807d475f6657f
4. 0x564d164ebe9b5afd7c782395b7a704fe35d1e65ca288422bc15e5662019ff7fe
5. 0x217ad2371eddacef619386c875661ea0d73a398258f59c065dcf48ee6d132a37
6. 0x46725ab69027d4cd6b3025b03221925ad6fbb2aa953a822e326718de4a698a17
7. 0x70e67079f4f154efe45e2eabc76936ccc34681d9511c21b8b8faa7bd1ee4f0e4
8. 0xfcf98b311ea07eb498932755a4ee44e84cc55c674cc08005b5eda718ff1a92b0
9. 0x53ec4f7db6626141875a0d6a972bc6e34b0d6650dda3374d7f6fa68549cc9978
10. 0x0c9588d83dbdbfe86d2f03c80aaae11aaa963d8c04ce31ca8923453d940310f4
11. 0x229584c1d304842544db84ca7b368b5ececeb9d3bea2b23265eba1c7595d1220
12. 0xdb4b9388e3fe1df4b04e149e559f925fb354066ae1d2537fd6f918162716fadf
13. 0xe2214b3d6a48396930d1739b02ea366de2aac5337c9b9ff2aff28cecf6518139
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae