Evidence row 750642

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":750642,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793178689339881,"prev":558542,"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 2026-10-28 (231336 rows).

1. 0x272035c9de511fbc42c91907f5c319e03b67aa9f4d302354fd380c67d881d006
2. 0x548035124d2bbd5d9bb894579a47c42bfc9c6faa5a20ed69601eb40c8d0aac36
3. 0x01bbb41c9946c7998f7bd3752cbcf59a9036c3512cba95d1723408adb542342a
4. 0x16577bde03924ca1672147b39e3be5077c6305deb9e6961c1113063710d643be
5. 0x3347355e195a85437a7a5f3421d778513e569f0f7c66f355bdee321a251fac0c
6. 0x954edc353f38485699d1d9a57ba3f10a52138ca6eec90ee0702e886cb15b1735
7. 0xc40f4665fb0ac942334c9ed85130f66a08d6ac5b39725f3d5c2cb40e47bc9c9a
8. 0x736437b90aae59d22203273e133db999ec2c1ef73ffafcce0a9aa3d8c1407a1b
9. 0xfb0e60da7d15980a956b1fcff33901a84b6f51d62146f9338bf31d1fa5790689
10. 0x958a32ef92b2ba87b3ce2a26b3ced996dbda476649d58882e5555fa1cfa1ba7c
11. 0x027e12b0a28856ca9df389a4ea99a1919dd92fd8fb0cf17a014b9991700c1081
12. 0xd5cf3949d64385f93139a7fe587a2a2a5914492d5173ba33feced3c7038c0d7f
13. 0xfcc0286dc0eb69aad96b886d1f2a42a5bc1d90d84cfc212c4ef6bde6a564a1de
14. 0x5c170d609340e1f702f31fcdd7742289f0913d4395f688b3409031b758c69eae
15. 0x8d500b42a7bdba5e17ebd9e6a404f2de5260cf3420865b41e7de8c69434ce413
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae