Evidence row 121597

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://spreadsheet.openverbs.com/v1/a1-to-rc"
    ]
  ],
  "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": "Parse an A1-style cell reference (e.g. \"B3\" or \"$AA$100\") into 1-based row and column numbers, plus the column letters and whether each part is absolute.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "ref": "B2"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "ref": {
                      "description": "A1 cell reference, e.g. \"B3\" or \"$A$1\".",
                      "maxLength": 32,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "ref"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:13:48.903Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:13:48.627Z"
    },
    "resource": "https://spreadsheet.openverbs.com/v1/a1-to-rc",
    "serviceName": "Spreadsheet References",
    "tags": [
      "a1 to row column",
      "parse a1 reference",
      "spreadsheet cell lookup",
      "excel cell coordinates",
      "a1 reference parser"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Parse an A1-style cell reference (e.g. \"B3\" or \"$AA$100\") into 1-based row and column numbers, plus the column letters and whether each part is absolute."
}

What the leaf hashes

{"body":"171a6fd35c681084f573daec0f455dadeb14050dbae2b68bf1eee13fe2247c22","id":121597,"kind":"listing","method":"baseline/1","observed_us":1793025620124479,"prev":null,"subject":"x402_bazaar:https://spreadsheet.openverbs.com/v1/a1-to-rc","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. 0x3936d1a93b3916d2ee1a59cf106de01c05eab7732228e92f5d2de3c770173732
2. 0x953f56e09eb095180de2d4fdfa19bd468e918f8a4e612a698ad9ecd92c1af656
3. 0xdebaa4c409140ca9909230e651ae5789991cb075b66aeec3d5081e1be39ef3f5
4. 0x4ffa90c8bf6630604fe6f35d8950a8538845111b39018b52f715951b72c35c47
5. 0xefda1f67a2c2be6e0fc2cbf4152ba13509cbcae05c1311527dea27ae0ee9d2bc
6. 0x7ba3502554624063aa4f63bd196a2efee91ede4fba5432b2e6b48751a65b9b0f
7. 0xf91c206c1fbcaa6061ce51f6f08a87611d8f36ac58c08b4c502991d0820127d7
8. 0x4a8fd1c3dd83b2edc3c7b391a9077b03739cf4e699e6680bec83db0a5724f57d
9. 0xd80d4eae73bbd3fdccb88b8241b520b340e41387dbe44d61dd6bbef84d1347f3
10. 0x523b8ac4b1e261a073661101852ada4310c46af0ed03f362d2ef83a301a47101
11. 0x04a1aa6c1d916326b08791d1568a512f10ac6aaee806ec4073570b0a6b1b64af
12. 0x18cc4431e4bbe45ee72defb9bb3318434364bf71c883055c6197fa7102ec601a
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