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Evidence row 71555

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://bess-x402.onrender.com/v1/evm/nft-metadata
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
844bc77b4df1c902d1096b925deaa1ac9d1439728ec340aff576d62657b5751f
Leaf
0xaa7cdc54d39b3ffb817ef517cc99a908ba994c317d8caea3c7600cfdf18be636

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/evm/nft-metadata"
    ]
  ],
  "name": "NFT Metadata",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Metadata of an ERC-721 or ERC-1155 token: token URI resolved from IPFS, Arweave, data URI or https into name, description, image link and traits. Use for NFT displays, rarity or appraisal.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "ethereum",
              "contract": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
              "token_id": "1"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "attributes": [
                {
                  "trait_type": "Mouth",
                  "value": "Grin"
                },
                {
                  "trait_type": "Clothes",
                  "value": "Vietnam Jacket"
                }
              ],
              "chain": "ethereum",
              "contract": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
              "description": null,
              "external_url": null,
              "image": "https://ipfs.io/ipfs/QmPbxeGcXhYQQNgsC6a36dDyYUcHgMLnGKnF8pVFmGsvqi",
              "name": null,
              "standard": "ERC-721",
              "token_id": "1",
              "token_uri": "ipfs://QmeSjSinHpPnmXmspMjwiXyN6zS4E9zccariGR3jxcaWtq/1"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "chain": {
                      "description": "ethereum, base, arbitrum, optimism or polygon",
                      "type": "string"
                    },
                    "contract": {
                      "description": "NFT contract",
                      "type": "string"
                    },
                    "token_id": {
                      "description": "Token ID",
                      "type": "string"
                    }
                  },
                  "required": [
                    "contract",
                    "token_id"
                  ],
                  "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": "2026-10-24T04:22:53.539Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T04:22:53.352Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/evm/nft-metadata",
    "serviceName": "NFT Metadata",
    "tags": [
      "nft",
      "metadata",
      "ipfs",
      "erc721",
      "erc1155"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Metadata of an ERC-721 or ERC-1155 token: token URI resolved from IPFS, Arweave, data URI or https into name, description, image link and traits. Use for NFT displays, rarity or appraisal."
}

What the leaf hashes

{"body":"844bc77b4df1c902d1096b925deaa1ac9d1439728ec340aff576d62657b5751f","id":71555,"kind":"listing","method":"baseline/1","observed_us":1793025482936621,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/evm/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 (296695 rows).

  1. 0xaa7ca6c8912cd248dee07d5598394a0578618d8e0709e09cb398dff368e84d5d
  2. 0xc1048ca1965433e5be56082b144b1bec70b6f8af80c6470bb569880c25bea79a
  3. 0x82ca603e96d467ca7b6d9709307d646f500fe915cac9553b9bb1247f740d0c15
  4. 0xdeb54d8ff9c4634731273ea0225d64b0bbec64d250b72125b0c1329e3650999b
  5. 0x6b8008da342141d516bf839587a84bfa39cd6f9c8f1a823a3ec2877b39bd607b
  6. 0x1fa6f4d992526d202aed026886d1f7c26f6c609eade6cfa426138e468c85216a
  7. 0x1f070b4b82cdbe7d97c4e411860147f04754c72e2e0c84bdf5700727d301544c
  8. 0xd4ac9d034d2770d107f30723c20e6abea7eacffcfd882acd53594318c4b4ebe1
  9. 0x67a13a7b274532e8a2df569986a43149c15dd30a3921882e484880330685bbf0
  10. 0x2b0e99631562bdd3560762c8951137943186bf9575ee3728c8efc429f26f9563
  11. 0x34f0b80539e95d0ba892dff063414c35c62850f82e1414765524114c8dbacb57
  12. 0x09a19b8d31a6e948e5051cb72b98b1d2b2bfe053f62d6d24d61c22b3ed1c3f24
  13. 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
  14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
  15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON