Evidence row 117591

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://onchaincheck.dev/arbitrum/nft"
    ]
  ],
  "name": "Arbitrum One Onchain Data",
  "owner_address": "0x2ecb9e1fcca7a62758c679f11bc3241466d181d8",
  "raw": {
    "accepts": [
      {
        "amount": "8000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2ECB9E1fcca7A62758c679F11bC3241466d181d8",
        "scheme": "exact"
      }
    ],
    "description": "Metadata for an ERC-721 or ERC-1155 token on Arbitrum One: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "contract": "0x6325439389E0797Ab35752B4F43a14C004f22A9c",
              "tokenId": "1"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "arbitrum",
              "collection": "Smol Brain",
              "contract": "0x6325439389E0797Ab35752B4F43a14C004f22A9c",
              "fetchedFrom": "Alchemy NFT API cache (token URI host unavailable)",
              "imageUrl": "https://nft2-cdn.alchemy.com/arb-mainnet/3d0860c551f1b0f62897a545d67cb4b6",
              "metadata": {
                "agent_binding": null,
                "animation_url": null,
                "collection": "smol-brains-legacy",
                "contract": "0x6325439389e0797ab35752b4f43a14c004f22a9c",
                "creator": "",
                "decimals": null,
                "description": "Smol Brains",
                "display_animation_url": null,
                "display_image_url": "https://i2c.seadn.io/arbitrum/0x6325439389e0797ab35752b4f43a14c004f22a9c/c4ef3f615ef67f7b3939579cc01600/3bc4ef3f615ef67f7b3939579cc01600.png",
                "estimated_value_usd": null,
                "identifier": "1",
                "image_url": "https://i2c.seadn.io/arbitrum/0x6325439389e0797ab35752b4f43a14c004f22a9c/c4ef3f615ef67f7b3939579cc01600/3bc4ef3f615ef67f7b3939579cc01600.png",
                "is_disabled": false,
                "is_nsfw": false,
                "is_suspicious": false,
                "metadata_url": "https://trove-api.treasure.lol/tokenuri/arb/smol-brains/1",
                "name": "Smol #1",
                "opensea_url": "https://opensea.io/assets/arbitrum/0x6325439389e0797ab35752b4f43a14c004f22a9c/1",
                "original_animation_url": null,
                "original_image_url": null,
                "owners": [
                  {
                    "address": "0x000000000000000000000000000000000000dead",
                    "quantity": 1,
                    "quantity_string": "1"
                  }
                ],
                "rarity": {
                  "rank": 8938,
                  "strategy_id": "openrarity",
                  "strategy_version": "1.0"
                },
                "subscription": null,
                "token_standard": "erc721",
                "traits": [
                  {
                    "display_type": "NUMBER",
                    "max_value": null,
                    "trait_type": "IQ",
                    "value": "588"
                  },
                  {
                    "display_type": null,
                    "max_value": null,
                    "trait_type": "Hat",
                    "value": "cap-purple"
                  },
                  {
                    "display_type": null,
                    "max_value": null,
                    "trait_type": "Body",
                    "value": "brown"
                  },
                  {
                    "display_type": null,
                    "max_value": null,
                    "trait_type": "Hair",
                    "value": "none"
                  },
                  {
                    "display_type": null,
                    "max_value": null,
                    "trait_type": "Mouth",
                    "value": "mask"
                  }
                ],
                "updated_at": "2026-08-19T04:00:39.243479"
              },
              "owner": "0x000000000000000000000000000000000000dEaD",
              "standard": "ERC-721",
              "tokenId": "1",
              "tokenUri": "ipfs://QmdomEpvMo5w13APURUhA1CCaEoJH7qrhiAJZv7bGqDuzi/1/5"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "contract": {
                      "description": "NFT collection contract on Arbitrum One",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "tokenId": {
                      "description": "Token id as a decimal string",
                      "pattern": "^\\d{1,78}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "contract",
                    "tokenId"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T07:35:04.764Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T07:35:04.285Z"
    },
    "resource": "https://onchaincheck.dev/arbitrum/nft",
    "serviceName": "Arbitrum One Onchain Data",
    "tags": [
      "arbitrum",
      "onchain",
      "erc20",
      "token",
      "wallet"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Metadata for an ERC-721 or ERC-1155 token on Arbitrum One: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL."
}

What the leaf hashes

{"body":"ed15b11749f330ebd505b8c44b036105ae56acbde6348f683f1b223bef2a0f4b","id":117591,"kind":"listing","method":"baseline/1","observed_us":1793025611649517,"prev":null,"subject":"x402_bazaar:https://onchaincheck.dev/arbitrum/nft","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. 0x2b337d34cba90ec2cbcaac6356b0ba66862491bf91b465ace94c7cc03baf158e
2. 0xe475d5d88973e34e2f35eb9c3fdb8db696a864b41645d9b43726f6d7fbd02ccb
3. 0xa375479b733c23b7c15aba827813585085ea4d8ddbd222891bda8409d130c304
4. 0x44f0e14f7e6e0cef5e818aa888d828a379dcbc5cacc088b6d6ec88de80f65bcb
5. 0xa8e786ebb33104445da805588b99b4126dd565e1996f74c6cc50b74e99c92a53
6. 0xd22b86715dae4f0cef7a81b4a2b5c2ef272b7bbfc06e8916f8d1426c7fcf9cd0
7. 0x73c27004188d3093ef8b09a73318e23acce27434e4fb7b82ef7eaf28b61f1d0f
8. 0x1589fb832aba315e75246698da85fb022f60acf39ad2b8264eb429dda48eb863
9. 0xf39a9d1a20c443ec85e4c92007dcbfa1e0ec69cd730017ccdadac95f3c0f417d
10. 0x755e8bb86bef8a205359ea18e6bb499124975e318b315b74b91ac3dddeb77d5e
11. 0xde76827525517f5c8aef4ffd7831eab09ee63757dcc2282bc64307fd6ee67ad1
12. 0xe8bf822fd6c66b233e3e13e08596e8fb41c1ed9b85be0e4d50cfc9b740c0e206
13. 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
14. 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae