Evidence row 120013

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/heraldry/arms"
    ]
  ],
  "name": "Saylor Innovations  Coat of Arms",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:heraldry:arms",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:heraldry:arms",
          "reference": "7s6PT5sc1JjBCaNVZoUXhyJfiEVBwGkndnYp6n8qhQst",
          "session": "eyJhcnRpY2xlSWQiOiJoZXJhbGRyeTphcm1zIiwicmVmZXJlbmNlIjoiN3M2UFQ1c2MxSmpCQ2FOVlpvVVhoeUpmaUVWQndHa25kbllwNm44cWhRc3QiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MTgxMTYzMDkxNX0.1u9Z0S6g0hwf7pa_XVcRAWYywbOhF4u6nx1mXWaZLD4"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Coat-of-arms reference for a country, place, institution or family, with Wikimedia Commons asset",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "subject": "Scotland"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "coat_of_arms_url": "https://commons.wikimedia.org/wiki/Special:Redirect/file/...",
              "found": true,
              "source": "Wikidata (CC0 metadata; image license varies)",
              "subject": "Scotland",
              "wikidata_id": "Q22"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "subject": {
                      "description": "required country, place, institution, or family name; 2-100 plain-text characters (query)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "alternate_matches": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "caveat": {
                      "type": "string"
                    },
                    "coat_of_arms_file": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "coat_of_arms_url": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "description": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "found": {
                      "type": "boolean"
                    },
                    "query": {
                      "type": "string"
                    },
                    "source": {
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "wikidata_id": {
                      "type": "string"
                    },
                    "wikipedia": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "found",
                    "subject",
                    "wikidata_id",
                    "source"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811511/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-12T13:25:10.983Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-12T13:25:10.574Z"
    },
    "resource": "https://saylorinnovations.com/api/heraldry/arms",
    "serviceName": "Saylor Innovations  Coat of Arms",
    "tags": [
      "heraldry",
      "coat-of-arms",
      "reference",
      "wikidata"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Coat-of-arms reference for a country, place, institution or family, with Wikimedia Commons asset"
}

What the leaf hashes

{"body":"714f67fef96a4d717f529e3539f7649e3c3cef92f37c8a687cff99f2936d9ab4","id":120013,"kind":"listing","method":"baseline/1","observed_us":1793025617082041,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/heraldry/arms","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. 0x89ade63a395116c81ee2e8c6c238d972347d04920474fba7975a7f551c08da04
2. 0x5e484847b0739ab9b8943398cead11862a9b437d0896543335d41cd335b2ae1d
3. 0x7f4eb8633e97fd2d4b08e85d1d2e1d78e327822a9e71ce7673def637790f3fd7
4. 0xe3cd0bd2b39acb448bb685eb1313c075a84f30501aaa0cc7938f871a0ae4baa9
5. 0x5ecad275df53f6b122ba2ed15f6f90ec9b9f0f3d0a2453af1531fc6dab15f1bd
6. 0x7feb025f43a2c36723254df74866ce8b9a0e8090dda9a0cdbb1320eea7229699
7. 0x56874528929443da01f71dbaf5ec9556584fbc7677b35a2aff663d8334bc3779
8. 0x82af099e709119b64491b3dd00071885b7f4f098a91311ad37eac688d40eff38
9. 0xc99583ef5f8ceb9672305b576d4479a4c02b68b4950749aa2c8adbc6c2b17c63
10. 0xd59efd9db013aa86250da9a9746114e4191807e34e70119d7d7cdcde2bea60fe
11. 0xfb2bf7248df06c668bce5c2fce26586eb8982728138c40f164c1666cb3e32d7b
12. 0x7bf2d426bb827b94d7608055662cf2e3f09791e1a4c2c6bd606c0a9e89b18e59
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae