Evidence row 116735

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://matrix.openverbs.com/v1/transpose"
    ]
  ],
  "name": "Transpose a matrix",
  "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": "Transpose a matrix, swapping rows and columns. A ragged/empty matrix is a clean 400.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "matrix": [
                [
                  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": {
                    "matrix": {
                      "description": "Matrix (m×n).",
                      "items": {
                        "items": {
                          "type": "number"
                        },
                        "minItems": 1,
                        "type": "array"
                      },
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "matrix"
                  ],
                  "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": "2026-10-02T02:32:53.527Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T02:32:53.371Z"
    },
    "resource": "https://matrix.openverbs.com/v1/transpose",
    "serviceName": "Transpose a matrix",
    "tags": [
      "transpose matrix",
      "swap matrix rows columns",
      "matrix transpose api",
      "flip matrix axes",
      "convert rows to columns"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Transpose a matrix, swapping rows and columns. A ragged/empty matrix is a clean 400."
}

What the leaf hashes

{"body":"747ee51cc952bcf4f8f13ffab1bb7179c9e4e922d2d890ae915004763cc6ae3d","id":116735,"kind":"listing","method":"baseline/1","observed_us":1793025610219882,"prev":null,"subject":"x402_bazaar:https://matrix.openverbs.com/v1/transpose","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. 0xd1f0df995885ebe8bb51c42298bb54941dfdb34859f993c6ae4f9f73623a4693
2. 0xc7cb361520d11cf8c57b4dbdb81484d82bc462e855579f9483af288778344ba8
3. 0x4f14d0d194272d57bcefd7812f25fa50ece3e10d7596b61d4130a61e78bacfec
4. 0xb8cad3ba5e44e1dfd902c59fe8667e05210e48e7a407027a17b8f79574311298
5. 0x388ed090b5b29991f713e3e6fe40cd1e65a557ef6ec1767fa93c6a2ea193b632
6. 0xfffb6b5f5acea52c67c95e209271f7e43b732136558a70fba3399bb064a09c1c
7. 0x57412cc08939ecd5c0c9654ac4f71e96860cbc3a701a02f291f9c33679d64fce
8. 0xcd6a4cc86ff25d904e34ff6389aa783ca5ad7e343f22438ddc3bc0a8239e3353
9. 0xf1fec04f9c52056b3aa832c7b83e56bdff5c7ce1446629462236e05c80d0574a
10. 0x577d60d25feb12bd9b6b9f6b196c0f14aafc3b6efbb07d43169be409edfb700f
11. 0xf2fdee89378769052782dfd25aeff4865ec268617aa70e6d5f36f0b04808af0c
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae