Evidence row 279321

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://college-verify.iykykblog.workers.dev/verify"
    ]
  ],
  "name": "college-verify.iykykblog.workers.dev/verify",
  "owner_address": "0x329b4b66afbc407bb3a22daeb465487c6faa08c1",
  "raw": {
    "accepts": [
      {
        "amount": "30000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x329b4b66AFBC407bb3a22DAEb465487c6FAa08C1",
        "scheme": "exact"
      }
    ],
    "description": "Verify any US college by name or IPEDS UNITID. Returns tuition (in-state/out-of-state), selectivity (applicants, admit rate, yield), enrollment, and 150% graduation rate. Public-domain NCES IPEDS data.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "name": "Stanford University"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "college": {
                "admit_rate": 0.0391,
                "applicants": 53733,
                "city": "Stanford",
                "control_label": "Private nonprofit",
                "enrollment_12m": 21132,
                "grad_rate_150": 0.9282,
                "level_label": "Four-year",
                "name": "Stanford University",
                "state": "CA",
                "tuition_in_state": 61731,
                "tuition_out_of_state": 61731,
                "unitid": "243744"
              },
              "found": true,
              "query": "Stanford University"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "name": {
                      "description": "College or university name, e.g. 'Stanford University'",
                      "type": "string"
                    },
                    "unitid": {
                      "description": "IPEDS UNITID, e.g. '243744'",
                      "type": "string"
                    }
                  },
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T19:00:30.449Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-17T20:39:19.497Z"
    },
    "resource": "https://college-verify.iykykblog.workers.dev/verify",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Verify any US college by name or IPEDS UNITID. Returns tuition (in-state/out-of-state), selectivity (applicants, admit rate, yield), enrollment, and 150% graduation rate. Public-domain NCES IPEDS data."
}

What the leaf hashes

{"body":"0f9990ad93d03a64b1c615b38a0ae81a90c88aac91166ed07a4c43155fb33279","id":279321,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042197500572,"prev":72534,"subject":"x402_bazaar:https://college-verify.iykykblog.workers.dev/verify","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. 0xfa967baea600f7563d1eaf06697d87d247e4d7ff225074d29fc7662e66848c85
2. 0xacac0c993ea349802a8f77723907a79ff3686ebb85a9341ac578d3e2a0273acc
3. 0x00fbffb472d28947e3ee082ba825a9473d3d0684257c6d4af7431e2da21af4f2
4. 0x8571fccbc7f7ba310e0b6b95cf70872dd2405259955800b41ee8050022843876
5. 0x9927ea893af4932ec2b123b1459e7f7829cf0ac9cc598235f739fa90a4dcbaa3
6. 0xf44418103e738296de8ace7ab79784691ad9ea3c87b45b8764a25915eca21339
7. 0x5381502900b0db35ab02992604b572bd3d8cc215235cb4386edde81001d731c8
8. 0x251313007860026404352ef52c835a75f48eb5f56f1e10737313e0a9f62c16ab
9. 0xa8e223de1bf6c17e20c79a0fa423cbf6ba56c81dd611a668acb2b7dd42c2dcb9
10. 0xd76f45bbfd4476d2270c8ee2682ce22ef4f12d6f8a748331c7b8b81e476c49cb
11. 0xc1f00d9dcd67fe1d14473197e5f14f3efa26c1e1569cc2a3172842f28c850633
12. 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae