Evidence row 2457

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": "Create Ricardian Contract (a1-service-purchase)",
        "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": "",
        "tags": [],
        "url": "https://getamber.dev/api/v1/contracts"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "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": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"7ec8be8adca7a28de49f25e51f3831e5697e555a9804777cf6080872606cede2","id":2457,"kind":"listing","method":"baseline/1","observed_us":1793025266763655,"prev":null,"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 2026-10-26 (296695 rows).

1. 0xd11c743be3ce2428f389371fdcf00fd03109ebdecc63dea79c687422ab99f481
2. 0x8c7fdf1b42ca0791749115eead51ae5ca8d286d2480f774e62fe032f3272fdea
3. 0x9f315f086245a418f5c7beb5231837a5382f10c5aed054d4220e89949f02ba86
4. 0x7a7f8594247c9c8898f12ac35974f24f93153b9bde8896e62d323f4946f7c14b
5. 0xe54eb499497f638fc4a4e2a400999669e0597d79d79761e0e9cd28c22f6d7596
6. 0xb982042eddfa8f788f3c30362dcfa11d59c45a51ae01089a75983b1d5357ae53
7. 0xdeb50140eb683c28857b88b5a592898c17448c8d6992b647011af0010b7a6288
8. 0x89656905a6e3f3d1603f15a9e9f3e2c7c68f5a48c4004dcb538034c65f9c6539
9. 0x666fc9b26121779efeffcfa03cdf6524c841116130d8cbd786aab93904cca6fb
10. 0xdefcd4fc2ebdfaa82bec33833639fbb6712ab7a9bb3beafebc53c8b103648d9a
11. 0xcbb746ffeda31ff1f1b0d9f74705fed23a3c2abac5d325d65e8e867a7b5e6307
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae