Evidence row 121600

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://spreadsheet.openverbs.com/v1/rc-to-a1"
    ]
  ],
  "name": "Spreadsheet References",
  "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": "Build an A1-style cell reference from 1-based row and column numbers, optionally marking the row and/or column absolute ($).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "column": 1,
              "columnAbsolute": false,
              "row": 1,
              "rowAbsolute": false
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "column": {
                      "description": "1-based column.",
                      "maximum": 16384,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "columnAbsolute": {
                      "description": "Prefix the column with $. Default false.",
                      "type": "boolean"
                    },
                    "row": {
                      "description": "1-based row.",
                      "maximum": 1048576,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "rowAbsolute": {
                      "description": "Prefix the row with $. Default false.",
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "row",
                    "column"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:39:55.475Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:39:55.322Z"
    },
    "resource": "https://spreadsheet.openverbs.com/v1/rc-to-a1",
    "serviceName": "Spreadsheet References",
    "tags": [
      "row column to a1",
      "generate a1 reference",
      "spreadsheet coordinate format",
      "excel cell address",
      "build cell reference"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Build an A1-style cell reference from 1-based row and column numbers, optionally marking the row and/or column absolute ($)."
}

What the leaf hashes

{"body":"e10cd031006a0a9c3bee553049e899922f52d6cc925d3c60f37feccc874d0727","id":121600,"kind":"listing","method":"baseline/1","observed_us":1793025620127498,"prev":null,"subject":"x402_bazaar:https://spreadsheet.openverbs.com/v1/rc-to-a1","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. 0x34cfae8ca51bf7ad8ba291f55b371a0abae2c05ab9d0e52bbfda4a63f46bd643
2. 0x9e065a82bdc45f5a56287b404cf54a4579da3dc84dff62aae45a68ca2421b65d
3. 0xcdcb8c1df9a355c6345b9c5481eb5c621e412b572e84fea1cbf8cf6d75781381
4. 0x7cbdead74ea2952866636a662def377ffb686942fd8fd4801f2ec09f0588cc77
5. 0x6655a687bc9c52198dc6a4f77a62caea338ccef2a388d3c641206b268ea33509
6. 0x4b5f7053895d616f7bcf8af7252f409e2f94ad731ef9e1317e3c00a388ade637
7. 0xa3833701bb8e8f9248abc1f0e2551e30fef23ba4fe96cec924ead7b4ad972329
8. 0x68368c02ffa98b0655942f6856493574f569ef6dd03f46847c723d07077c386c
9. 0xacfac24f0a618fd5bbb53e41ba57ee3f7447fbe16751f96748d4401f1445540b
10. 0x6b5f9a7f0acdf3d70c2a71afc670c5db74380a412723b8277c64e4f48e3bab38
11. 0x5b8798d4cefad64becd1c03dfc4c9f7111db423ab06ea3f8878316222a2b26de
12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae