Evidence row 1035926

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://getamber.dev/api/v1/contracts"
    ]
  ],
  "name": "getamber.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "getamber.dev",
    "endpoints": [
      {
        "description": "Ambr (ambr.run): create a Ricardian contract that an AI agent signs on behalf of its principal, a person or company. Call it when your agent agrees a deal with another party (an API or compute service, a purchase, a subscription, or a delegation of authority) and needs a signed written record. Returns legal text and machine-readable JSON bound by one SHA-256 hash, plus reader and sign links; the parties sign with their wallets. Templates: GET /api/v1/templates.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "parameters",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "principal_declaration",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "a1-service-purchase",
            "group": "body",
            "name": "template",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.2",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Ambr",
        "tags": [
          "contracts",
          "legal",
          "agent-identity",
          "ricardian",
          "delegation"
        ],
        "url": "https://getamber.dev/api/v1/contracts"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793279085/bazaar-icons/25c05cfd00a58541.png",
    "id": "getamber-dev",
    "integrationType": "",
    "isNew": false,
    "name": "getamber.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.2",
      "currency": "USDC",
      "maxAmount": "0.2",
      "minAmount": "0.2"
    },
    "provider": "getamber.dev",
    "providerUrl": "",
    "serviceName": "Ambr",
    "tags": [
      "contracts",
      "legal",
      "agent-identity",
      "ricardian",
      "delegation"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"5c1877aa1d5c44efc46c0c97dcacd85366fa35d13a1f6c376a4c6d8c376d2db0","id":1035926,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793297763068173,"prev":2457,"subject":"agentic_market:getamber-dev","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x9f33507c56cb96be16f638abf24dc9feae8516b308d68b9b025df59ef4a99f43
2. 0x4f9ccf747963a3ba65e1ea3a2d8f75947aa234828d10a4f6e4057f2e711142aa
3. 0x42bcb5f0d67dac5b58bb4b3160d70cab21f15f51d5576a9bb7a1a61f38c23184
4. 0x4c13a2cedf5863fdfadd6d5603ffc1c53cee0eea9d4b4547c65fd40c7de683ab
5. 0x9353f4585e85d93f6084a86e617d2f987091dcb4e098a610333d9eff1107a16e
6. 0x3ae5c1bed81a53fb5d4ba5a47e00b5f9037fbbd3c18c2fc0e3b96af2dd27b5e2
7. 0xce3fa6de145f37f5704a4324e3b0869ae8a3f43e0a39188a493994f6a0ac4397
8. 0xd2d3cc08d557563844cc74636152803a637c0a62783e835968a0e9b8bcbc0a0f
9. 0x196bbab3d78375c39de95aeab26209547cb6f28e2f7cdef52322d4df31b4dfdd
10. 0xf58c07a2ff5b9a8232d7fcdee644b7d3374d61518747427f42183733e547b94b
11. 0x7ee2665a3679cff540f4fe3b14f15437e4f697a5aca99003bcec6e8e87245568
12. 0x6b12e9cf27bdea025f93fa5a1ea2c8b8500bf79e5c6aee18f59b2279f0ba530e
13. 0xbb0a2c430dc54812e3f6b6c2468d5b94e0ff1143439ee40a935801628b42ca5f
14. 0x96603408ef495fb0a8106bb839ad20e6578c0c0fbded2a9b235438f5985b0f0b
15. 0x4a1f9fe26bf92c291485b5fb33b95d1917a994e417ac0526ccef55ede0a90a4c
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1