Evidence row 73515

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://distribution.openverbs.com/v1/normal"
    ]
  ],
  "name": "Normal (Gaussian) distribution",
  "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": "Normal distribution with optional mean (default 0) and standard deviation sd (default 1). `function` selects the density (pdf), cumulative distribution (cdf) or quantile / inverse-CDF.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "function": "pdf",
              "mean": 1,
              "sd": 1,
              "x": 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": {
                    "function": {
                      "enum": [
                        "pdf",
                        "cdf",
                        "quantile"
                      ],
                      "type": "string"
                    },
                    "mean": {
                      "description": "Mean μ. Default 0.",
                      "type": "number"
                    },
                    "sd": {
                      "description": "Standard deviation σ > 0. Default 1.",
                      "exclusiveMinimum": 0,
                      "type": "number"
                    },
                    "x": {
                      "description": "Evaluation point: the variate for pdf/pmf/cdf, or the probability p ∈ (0,1) for quantile.",
                      "type": "number"
                    }
                  },
                  "required": [
                    "function",
                    "x"
                  ],
                  "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": "2026-10-02T02:02:38.611Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T02:02:38.461Z"
    },
    "resource": "https://distribution.openverbs.com/v1/normal",
    "serviceName": "Normal (Gaussian) distribution",
    "tags": [
      "normal distribution",
      "gaussian distribution",
      "normal cdf",
      "normal quantile",
      "normal pdf"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Normal distribution with optional mean (default 0) and standard deviation sd (default 1). `function` selects the density (pdf), cumulative distribution (cdf) or quantile / inverse-CDF."
}

What the leaf hashes

{"body":"cc42182ea18912edd85b2195b79bbfee1bdf402526c59a34a9ac3a4d377c71b8","id":73515,"kind":"listing","method":"baseline/1","observed_us":1793025487724411,"prev":null,"subject":"x402_bazaar:https://distribution.openverbs.com/v1/normal","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. 0xb36755ddf0e33a7e3db6dc34ace2b803bf391f1036b4d44e710b6a11d6db9c7b
2. 0xe5e8da75e13b121ee58b5af357de4a01b72c9fbe89492ea6198a266cd29435ea
3. 0x4e7efd78e993b1401886d9d29c6d2625aa43b9b6d35ed9b4a26243a96cc11ef1
4. 0x1f15e731c44be9f91fcd62ad07d4d6234f6ad63a5dbb2f27340f18e8e5ff88bc
5. 0xce6e23b8438b03ba6d9e18177bb1081862c1f068cf458dcf397701dac34aa21d
6. 0x59be3d186b4bc5ae9e35e8f041d95b7885ec482afe95f8076ac40ab287e43d6c
7. 0xbd5e1264dc4c6b132f9917c286bbb8054cbddc68e29defcbe0e505da99ee4637
8. 0x5774743e1b12c5d3f8139c1d8ac4b5c5d4bd4f2ca376c2ccb45e86abbc2e8996
9. 0x6c5fd3e671e37d3f9560c2d2b5d85a5fadbba4d2574ffde5cdcb68bdc9e07836
10. 0x02f72c34cadc7e4285efd87b76cb403220f4a25cdad402e412233c0a44206107
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