Evidence row 117529

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://numtheory.openverbs.com/v1/modpow"
    ]
  ],
  "name": "Modular exponentiation",
  "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 (base ^ exponent) mod modulus efficiently for arbitrary-precision integers. The modulus must be positive.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "base": "42",
              "exponent": "42",
              "modulus": "42"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "base": {
                      "description": "Non-negative base as a decimal string.",
                      "pattern": "^\\d+$",
                      "type": "string"
                    },
                    "exponent": {
                      "description": "Non-negative exponent as a decimal string.",
                      "pattern": "^\\d+$",
                      "type": "string"
                    },
                    "modulus": {
                      "description": "Positive modulus as a decimal string.",
                      "pattern": "^\\d+$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "base",
                    "exponent",
                    "modulus"
                  ],
                  "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": "2026-10-05T12:10:59.857Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-05T12:10:59.599Z"
    },
    "resource": "https://numtheory.openverbs.com/v1/modpow",
    "serviceName": "Modular exponentiation",
    "tags": [
      "modular exponentiation",
      "mod pow",
      "compute base exponent mod",
      "fast modular power",
      "modular arithmetic api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compute (base ^ exponent) mod modulus efficiently for arbitrary-precision integers. The modulus must be positive."
}

What the leaf hashes

{"body":"c7d8fe8b1ca50bb016b6ba917ab6a1efd24d646517c7dece9f17fc95828d3be5","id":117529,"kind":"listing","method":"baseline/1","observed_us":1793025611324959,"prev":null,"subject":"x402_bazaar:https://numtheory.openverbs.com/v1/modpow","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. 0xc5461d4241e62352018f2656943371052fe79fe63a6bd69df571bd7a385c01d2
2. 0xb85c6d620e96ae73f98799c97a69a61b86d2f4aa260fb8b0fc19967394d786f9
3. 0x09a9df85d5cf34f0d1ad615f30392ec589cccb556d78032819fdb0202eabefbb
4. 0x2b25cebaba18b04bdb4845d273903e9236af2a16d4d3d05e1a5dd61ad918104a
5. 0x0b2c8f3c02e345b2c687029c942d7d635389150bd9d10bc47c6fddb4d0dceced
6. 0xa7bfb3453365658c66bbaa9933e0ae87b6c19dbe52d6a0cd7b77ad497af24c07
7. 0xce434007822363d0b44e33795e54c02a78d8337601171b4b83c16fce2bf1e98c
8. 0x5c1099954edc1ca435f7832cec616d721e764ba7baf7715f0763426a39179894
9. 0xf9c2b7163c58fd9f97b54be575e7f72e77eca742957a369b168b00975ec9a7ec
10. 0x898f645f86c84a3076cc9b37a95ad7e2490fbce031f5f2e0257dd07699f9e829
11. 0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd
12. 0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b
13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae