Evidence row 3767429

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chain.openverbs.com/v1/nft-metadata"
    ]
  ],
  "name": "NFT metadata",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "6000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Resolve one NFT (contract + tokenId) into normalized metadata: name, description, image, attributes and token standard (ERC-721 or ERC-1155). Reads the on-chain tokenURI/uri, then fetches and normalizes the metadata document (ipfs/ar/http/data), rewriting ipfs image links to a gateway URL. Returns `found:false` for non-NFT contracts. Live reads with automatic endpoint fallback.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "chain": "ethereum",
              "contract": "0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB",
              "tokenId": "1"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "chain": {
                      "description": "EVM chain to query. One of: ethereum, base, arbitrum, optimism, polygon. Default \"ethereum\".",
                      "enum": [
                        "ethereum",
                        "base",
                        "arbitrum",
                        "optimism",
                        "polygon"
                      ],
                      "type": "string"
                    },
                    "contract": {
                      "description": "NFT contract address.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "tokenId": {
                      "description": "Token id (decimal or 0x-hex integer).",
                      "type": [
                        "string",
                        "integer"
                      ]
                    }
                  },
                  "required": [
                    "contract",
                    "tokenId"
                  ],
                  "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": "2026-10-08T06:09:12.895Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-08T06:09:12.761Z"
    },
    "resource": "https://chain.openverbs.com/v1/nft-metadata",
    "serviceName": "NFT metadata",
    "tags": [
      "nft metadata",
      "nft token uri",
      "erc721 metadata",
      "erc1155 metadata",
      "nft image"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Resolve one NFT (contract + tokenId) into normalized metadata: name, description, image, attributes and token standard (ERC-721 or ERC-1155). Reads the on-chain tokenURI/uri, then fetches and normalizes the metadata document (ipfs/ar/http/data), rewriting ipfs image links to a gateway URL. Returns `found:false` for non-NFT contracts. Live reads with automatic endpoint fallback."
}

What the leaf hashes

{"body":"067556ceeabace96d36fae2fdb6c54fca27b3dfd42c2801b1826fa62b6ac2a1a","id":3767429,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996786711089,"prev":548389,"subject":"x402_bazaar:https://chain.openverbs.com/v1/nft-metadata","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x311069793c15bd401f7334946a86094f7685ce9b81b973b5ebc91726f677804c
2. 0x361f5b0d9e4fc86750283694b8ab10589059f4892b37e06507ee45931dc891df
3. 0x737c48a01ddaa9a5d15b32476b8b7a4cfaf38cd0cf1d5e89d8688a568f119579
4. 0x587a0977845498f7f1bf25b5cfd25a0bea90de00b02af4bd36cbb95ab61ddfa6
5. 0xedae4d0112026244f71da107f8301ab98958f2c0569b1e19dda34d8ef4e05819
6. 0x07c54582776fd016baa7eee69caa03031e28d1d8eb81cb3cdeb4bc839f6f4218
7. 0x112b9edb7349335bd53909019a2c98be712c395f7158cc78595bfd61dbc0b1d3
8. 0xa5a5d82258c66bbb115fc7941e340147df332984ccded946bc877392427b7272
9. 0x451bee0b866f7fffce46c39e6609466f3ff79ea487f6f0c696fd4b6acdd3bf96
10. 0x9ce8a0a0fc1d4533329f665985df29a0e8edc5288a229aac022ecc75f23b3fc9
11. 0x1a7b9a87ccce23acb493c58117a14010d1bb18d827f5f2da798f733f0d32f502
12. 0xd6e6c256a761db71c644b60285f4add4858b535251e2a1510414aaa18d3471e5
13. 0xcbceab499525f5fa93cba6d29a309e0c0ff18cfe7f3b17fe0ae96beb8d87cc28
14. 0xe7e7f0ee694b712db7150c3f1692ed383efbc9783ba8600081ffac0da359b4ef
15. 0xaa85d31529f47e1b810e9dfd8bfa6050b99090fde56ac1fa1fb399ad1e6bb919
16. 0x0aaf291a2ffa2205e7df7531bf36800e377dfbd67208da05b97625f1cc49ce02
17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1