Evidence row 3064458

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.artefaktum.dev/v1/projects"
    ]
  ],
  "name": "Artefaktum",
  "owner_address": "0xeccc9f03eb79c6a5b0fbd919f95656557e6a6173",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xeccc9f03eb79c6a5b0fbd919f95656557e6a6173",
        "scheme": "exact"
      }
    ],
    "description": "List the projects of the paying wallet's account. Returns {items: [{id, name, slug, created_at}]}. Call this first: uploads, listings and search need a project_id. Costs $0.005 in USDC. No signup: a wallet's first payment creates its account and a default project; the same wallet later reaches the same files.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "items": [
                {
                  "created_at": "2026-10-31T09:30:00Z",
                  "id": "019a3a10-0c3e-7c4e-9a51-2f6d8e1b4c70",
                  "name": "Default",
                  "slug": "default"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793456363/bazaar-icons/804f62358cb25a27.png",
    "lastUpdated": "2026-11-04T19:05:00.945Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-04T13:09:33.954Z"
    },
    "resource": "https://api.artefaktum.dev/v1/projects",
    "serviceName": "Artefaktum",
    "tags": [
      "storage",
      "artifacts",
      "files",
      "search",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "List the projects of the paying wallet's account. Returns {items: [{id, name, slug, created_at}]}. Call this first: uploads, listings and search need a project_id. Costs $0.005 in USDC. No signup: a wallet's first payment creates its account and a default project; the same wallet later reaches the same files."
}

What the leaf hashes

{"body":"732f08df6ae6a6a85f6b6ec4ed8e2e3007da1f086dff06e3e9536c4cd5c723d7","id":3064458,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822228179887,"prev":1790983,"subject":"x402_bazaar:https://api.artefaktum.dev/v1/projects","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xae7a92c9641fa5c56ab3ef026386c0ed3e4d1f6cefb3dbbc5108a238ee82e28c
2. 0xceca8698c8b3d90aae50bd3c57aeb3d88f6c31836f68d7ee1fda78fd4a52bc70
3. 0x02f335bf62a4a01a06494ffbffe069e083f6395abdb5710d6a2b264b16d1a5a4
4. 0x8688eff0f9b32b99b94b78fa916ca72621e966dee94b9b40075ec59ec41e6e64
5. 0x00c5b7ca11dda56621e4791b56087fa95dc4ee9b924e2e7830f36a51f37e86fb
6. 0x8c238a708072fac399c29bf54dd2ef3496c98405e41df7e34d806eebff092076
7. 0x76cf4a0d66b800b514bac6334b41dcefec6bbe92d6f47259c0797f3c3b8f78c6
8. 0xea91b76c1dbecfaedaf8640f0205038f5c21d96ead7430408ee58ad3a3e69d5b
9. 0x902f577d142ca2204c6aa249e1bd6ef869d1d285b57cb80a2b249fc2e3f04a0c
10. 0xa0466bd24bc65bf6c901acee22a5fd9dc6118ee10c245d8acdf46ff188b71f14
11. 0x523dcf57044fcd7a6274f245fbf1d69e8737300b056fdcfa190471952b012bd5
12. 0x1b447c0a014938b2ac623e1f5a7c6de12c67126082174929fb7c6755e364843c
13. 0xfa07b0f4aaeadadeb8ee888dccc93e815793bb040f538a3aa667742b20a30157
14. 0x1088369e34916a33a3c583323d2fc4f49164cbac20b02de75926f72398b939bf
15. 0x9efef3631f971f9adf134dd93a6862b2ba10ef6a355b78514b4cc469a0d1496c
16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345