Evidence row 17313

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://foundations.tensegrity.works/mcp/search"
    ]
  ],
  "name": "Foundations Elements",
  "owner_address": "0x955012ddc5c9b7f86ad8d48f3f26d61bdbc899a9",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "20000",
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x955012ddC5c9b7F86Ad8D48F3F26d61BdBC899a9",
        "scheme": "exact"
      }
    ],
    "description": "Foundations Elements search",
    "extensions": {
      "bazaar": {
        "info": {
          "discoverable": true,
          "input": {
            "method": "GET",
            "queryParams": {
              "kind": "charts",
              "q": "funnel"
            },
            "type": "http"
          },
          "output": {
            "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": {
                    "kind": {
                      "type": "string"
                    },
                    "q": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "waitlist": {
        "info": {
          "action": "signup",
          "label": "Request Elements access",
          "url": "https://tensegrity.company/elements?utm_source=x402&utm_medium=api"
        },
        "schema": {
          "properties": {
            "action": {
              "const": "signup"
            },
            "label": {
              "type": "string"
            },
            "url": {
              "format": "uri",
              "type": "string"
            }
          },
          "required": [
            "url",
            "action"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T09:45:22.568Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T09:45:22.241Z"
    },
    "resource": "https://foundations.tensegrity.works/mcp/search",
    "serviceName": "Foundations Elements",
    "tags": [
      "ui-catalog",
      "agents",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Foundations Elements search"
}

What the leaf hashes

{"body":"5a9c403858be3c7bc8c6f001a02d2b9ca6dc0b95822a13f5321cf2dcede8aa60","id":17313,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025326474023,"prev":null,"subject":"x402_bazaar:https://foundations.tensegrity.works/mcp/search","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. 0x3f7d199ccf0f75072017dfe0d658195688a8b8e81549f4b754e71b9cd56b944b
2. 0x05ac33582ea29629e6c351a4949f9e2f189ef630c52419f2cec9e886173fa804
3. 0xc7c70a840a90c98798bf04979cd8adbaa9f5c5d15c63718a2e7a07d51caa735f
4. 0x5e574189c680ae71981052cd06659572938b21e97f21a2848931805e850ef949
5. 0x0f49c2c154837a83ef85da22b31025cbb32375b34943b64c66e5ce8375f86bbd
6. 0x72f8ad4cca0c9a3832fb9bdd599e9c29a6cdc8818ef3ff1237094fa59755a437
7. 0xdc753d97f78055e7f58f7ba8498be89bc0c19e7ab23083d6f59e66137ebf254e
8. 0xc871133e6a9c0a19f393ab1cd620a9597eb074c0d225ca9fafc06a661a847546
9. 0x287b3db7ff68b7aeb7e66325fd4cb6a0c7089e8bc4a57f81b0aef69457c486de
10. 0x3aa1f01bbb88cb01a9628a415794e8a8fba10d2a03d54c08d2e3a38ce00d02cf
11. 0xa4d1745f134661a77f8f2bfd58422252c41790ede9f0de54979c915510f5d550
12. 0x1afc0318a98c6dbb5a80e5cb86eba22b844e3f3b185a16f17290e29ab7410f55
13. 0x215f432600b78f2e7c9629cd10ce6ce4b7f3351b0b71f3f2c7dcb8e650f6cd63
14. 0x7f594f5609f388d64d3cda87b5631d393ee8300bb09bad71f150113a5886ee33
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae