Evidence row 424880

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://foundations.tensegrity.works/mcp/search"
    ]
  ],
  "name": "foundations.tensegrity.works",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "foundations.tensegrity.works",
    "endpoints": [
      {
        "description": "Foundations Elements search",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "charts",
            "group": "query",
            "name": "kind",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "funnel",
            "group": "query",
            "name": "q",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Foundations Elements",
        "tags": [
          "ui-catalog",
          "agents",
          "x402"
        ],
        "url": "https://foundations.tensegrity.works/mcp/search"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "foundations-tensegrity-works",
    "integrationType": "",
    "isNew": false,
    "name": "foundations.tensegrity.works",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.02",
      "currency": "USDC",
      "maxAmount": "0.02",
      "minAmount": "0.02"
    },
    "provider": "foundations.tensegrity.works",
    "providerUrl": "",
    "serviceName": "Foundations Elements",
    "tags": [
      "ui-catalog",
      "agents",
      "x402"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"08235da68412386307b2433953962e647e5913453690ca6431ad068a58ba0053","id":424880,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793086095749514,"prev":261389,"subject":"agentic_market:foundations-tensegrity-works","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x4d05dabcfe2d11ec517d7fa9b576dcf7f70f9defa3595c78b072bf0c0bbe7d7a
2. 0xcf5700b5677e96a6da4f328bc0c3c243dd980d4af3b280b560f6091a809da91e
3. 0x71ac1399db01b26677e89f4c465b9f13378ffc38a49a1cefa675d62ee635fa4f
4. 0xadcc75fcd1f38ad6823d5bd3f40b776375c710413384d0e1eb3074c873293204
5. 0x61b142f839fcf7d2cc866319ad624b935d07561e7b7d6e8e574a17ae1f8d0c57
6. 0x5a77e1619b01733a72a1fd110b986f516e1b7a5a142a745555df02c0476d41a0
7. 0x801c56b1956f60ddaf7f13509181aceee0489436f97f28c825fd0decde2696ce
8. 0x0c665814fe9acf8a97ac1f6d8ce2fdc8617aecb092665c7cbd6d4344f7be6185
9. 0x3112a7b0b654103b064f00944b0c7a784a62cfd98513fc14ab83f50e2f58ccf6
10. 0x9305fa39c0bfbf15674949ab145ca0a40479400bedc3333826053de29a32e9ef
11. 0x699e1831216ceb5d0324397f8f4f58989765f950328c8adcbcb3a202d688993c
12. 0xf9b21ec258212225fc012a1ed6399d0ec608e930f4423d2badb8be79550861ef
13. 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4