Evidence row 60430

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://402.com.tr/api/x402/encode-selector"
    ]
  ],
  "name": "Function Selector Encoder",
  "owner_address": "0x973a31858f4d2125f48c880542da11a2796f12d6",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x973a31858f4d2125f48c880542da11a2796f12d6",
        "scheme": "exact"
      }
    ],
    "description": "Computes the 4-byte selector for a function signature (e.g. transfer(address,uint256) → 0xa9059cbb). The inverse of the decoder — useful for agents building or matching calldata.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {},
            "queryParams": {
              "signature": "transfer(address,uint256)"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checkedAt": "2026-10-17T09:54:04.051Z",
              "selector": "0xa9059cbb"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                },
                "queryParams": {
                  "properties": {
                    "signature": {
                      "description": "Function signature",
                      "type": "string"
                    }
                  },
                  "required": [
                    "signature"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_pa0gqlv1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T13:25:52.412Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-19T13:25:52.069Z"
    },
    "resource": "https://402.com.tr/api/x402/encode-selector",
    "serviceName": "Function Selector Encoder",
    "tags": [
      "onchain",
      "evm",
      "wallet-intel",
      "security",
      "data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Computes the 4-byte selector for a function signature (e.g. transfer(address,uint256) → 0xa9059cbb). The inverse of the decoder — useful for agents building or matching calldata."
}

What the leaf hashes

{"body":"783457ef8154d99b5fbba616db50bcad1f3676fe1a4de52f6868bc42d66db63b","id":60430,"kind":"listing","method":"baseline/1","observed_us":1793025448765194,"prev":null,"subject":"x402_bazaar:https://402.com.tr/api/x402/encode-selector","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. 0xd5d39f1f9e28b7ac75f3a783f83a71e6787e70640ec37cbb85d08b75f3445582
2. 0x7c1fcf850b8cacdf7aab7733d01e2fdbda7542e74c8c82955198e969fc98f658
3. 0x9293bb94fe592fd86434af3f8a0a6778824e36ae1d80dfebb8307767e94b6d22
4. 0x8ccae029c1f81dbcca2c3d7e27bf92d87793d642ae2744503be9697e1e3db723
5. 0x9fdd016ead5c73ea8fe9a19fd06b16345ce49b162b106d6718b8dc33cc6e5e81
6. 0x4787187e5bc0fd503f67bb9f20a2a5678d0a9f999912080e9dd857c6c014146f
7. 0x1a868f2c5312af30adae2efac7e69e2a3799191b24f5b2f35112601888a8a50f
8. 0xcbd1c06e62ddfe6932c8c8cd8ec52c44dfd11a7dc5d36d24a39a8649fe17df49
9. 0x439d38ba7a712c2155b0a828ec1800ddcf47fe0115436016c8a2b1266ab2cd55
10. 0x90db080e84cc49e02327fe570e893ec90666ec445e285fba4414255e78f59735
11. 0xb662623cf3d981ba2c8b763c6eb8f856021264a195ee47844bfa430e2ef3597f
12. 0x7026808261896a203198354548e5e8cabce4a06e89d077c172084841b47ae119
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae