Evidence row 297691

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://walcert.globalscoreagent.com/v1/certificates/origins"
    ]
  ],
  "name": "walcert.globalscoreagent.com/v1/certificates/origins",
  "owner_address": "0xf4d938200445b0df0f028af6d90d016147aed095",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xF4D938200445B0Df0f028af6d90D016147AEd095",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xF4D938200445B0Df0f028af6d90D016147AEd095",
        "scheme": "exact"
      },
      {
        "amount": "50000000000000000",
        "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
        "extra": {
          "assetTransferMethod": "permit2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:56",
        "payTo": "0xF4D938200445B0Df0f028af6d90D016147AEd095",
        "scheme": "exact"
      }
    ],
    "description": "Before hiring or paying an ERC-8004 agent, grade the controlling wallet's funding origins (CEX, bridge, mixer, organic) A-F. POST wallet_address; signed certificate + Celo on-chain anchor. $0.05 USDC.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "wallet_address": "0x2eFC66c0a78620Dd254443998BF2f11B685602E3"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "available": true,
              "certificate": {
                "data_hash": "0x…",
                "grade": "B",
                "grade_label": {
                  "eng": "Good",
                  "esp": "Bueno"
                },
                "onchain": {
                  "chain_id": 42220,
                  "status": "confirmed",
                  "tx_hash": "0x…"
                },
                "signature": {
                  "scheme": "eip712",
                  "signer": "0xE7e9…"
                },
                "summary": {
                  "eng": "Wallet maturity certificate (A-F).",
                  "esp": "Certificado de madurez de wallet (A-F)."
                },
                "type": "ORIGINS"
              },
              "certificate_type": "origins",
              "mode": "hot",
              "provider": "alchemy",
              "status": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "wallet_address": {
                      "description": "EVM wallet address (0x-prefixed, 42 chars)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "wallet_address"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "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": "2026-10-26T19:26:15.253Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T08:45:12.167Z"
    },
    "resource": "https://walcert.globalscoreagent.com/v1/certificates/origins",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Before hiring or paying an ERC-8004 agent, grade the controlling wallet's funding origins (CEX, bridge, mixer, organic) A-F. POST wallet_address; signed certificate + Celo on-chain anchor. $0.05 USDC."
}

What the leaf hashes

{"body":"d3aad229fa7e428079fcc23f62e58919d7434ef806b534c534b56888ba4eb046","id":297691,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052289495771,"prev":123917,"subject":"x402_bazaar:https://walcert.globalscoreagent.com/v1/certificates/origins","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. 0x758c66ac66854d7556734acf86cec6386dac596619a7f534511a74f9533562c0
2. 0x2042a2436e2d27125ea4ba077f28da5fccd468e2b42b816642569a59275272e1
3. 0xfcf6ee23f16d65b827229b2b2bf2a655b4c1f83620588973a398ff2b550a58dd
4. 0x5c145b1683e1407709eb69370ca847196c8998996a5c6c2cdfc02d916d26d706
5. 0xc79d6b938106e91cb0e5698afb7ed3f1cf2308f879766cb03dc5611963db48af
6. 0xc97516db943a1fd0c2aab8f35094d7869cc006748384624f46457c617b914631
7. 0x4441452791875baa2fb5e73afc95e57a0371677c9e4b375e82bfa968c550f795
8. 0x0a2559f1905977cce6e163161d8d95a75eada3daae878a93691642bdfc3b4e13
9. 0x528dd18f50b92eaed3d5ec141250b283a7673bd8a60d7bab710c19253b03bfda
10. 0x32fc3b4924b2ed62acb146c2238d1a5ccc6a451511d89297319be57be5e16c50
11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae