Evidence row 121263

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://sift.srv1996466.hstgr.cloud/v1/crypto/contract
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: a154656afd17bfff8b711673e4bea8bec84b1fb9743cdacbcb7d234c01c0fe87
Leaf: 0x9a67b291ecc6ea07595495b8e3a85b6760a7cd092c9c5fca37ec96dbad4fe427

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://sift.srv1996466.hstgr.cloud/v1/crypto/contract"
    ]
  ],
  "name": "Sift Web Tools",
  "owner_address": "0x33d25c0a915e1114b341d09a7cf7cecab60afa0d",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x33d25C0A915e1114B341d09a7Cf7CEcaB60AFa0d",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "8mAMFGi95QPiSjuenVdYGYSLcz5bviqLotaQ83cLvJb7",
        "scheme": "exact"
      }
    ],
    "description": "Contract check: proxy type, implementation, owner, verified source, capability flags. Inspects any EVM contract: detects EIP-1967 and EIP-1167 proxies and their implementation, reads the owner, checks Sourcify verification, and lists capabilities (mint, pause, blacklist, burn, upgrade) from the logic contract's bytecode.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "features": {
                "can_mint": true
              },
              "is_proxy": true,
              "owner": null,
              "proxy_kind": "EIP-1967 transparent/UUPS proxy",
              "source_verified": true
            },
            "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": {
                    "address": {
                      "description": "Contract address",
                      "type": "string"
                    },
                    "chain": {
                      "description": "Chain (default base)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "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": "2026-10-19T21:35:55.176Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-19T21:35:54.815Z"
    },
    "resource": "https://sift.srv1996466.hstgr.cloud/v1/crypto/contract",
    "serviceName": "Sift Web Tools",
    "tags": [
      "crypto",
      "onchain",
      "evm",
      "base",
      "ens"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Contract check: proxy type, implementation, owner, verified source, capability flags. Inspects any EVM contract: detects EIP-1967 and EIP-1167 proxies and their implementation, reads the owner, checks Sourcify verification, and lists capabilities (mint, pause, blacklist, burn, upgrade) from the logic contract's bytecode."
}

What the leaf hashes

{"body":"a154656afd17bfff8b711673e4bea8bec84b1fb9743cdacbcb7d234c01c0fe87","id":121263,"kind":"listing","method":"baseline/1","observed_us":1793025619689301,"prev":null,"subject":"x402_bazaar:https://sift.srv1996466.hstgr.cloud/v1/crypto/contract","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON