Evidence row 399

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-memory-api-production-f2c4.up.railway.app/v1/memories"
    ],
    [
      "x402",
      "https://agent-memory-api-production-f2c4.up.railway.app/v1/memories/bazaar-seed"
    ],
    [
      "x402",
      "https://agent-memory-api-production-f2c4.up.railway.app/v1/memories/bazaar-seed/hello"
    ]
  ],
  "name": "agent-memory-api-production-f2c4.up.railway.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "agent-memory-api-production-f2c4.up.railway.app",
    "endpoints": [
      {
        "description": "Store a persistent key-value memory for an AI agent (namespace-isolated, optional TTL and metadata). Returns the stored memory record as JSON.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "user-preference",
            "group": "body",
            "name": "key",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": null,
            "group": "body",
            "name": "metadata",
            "required": false,
            "type": "object"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "my-agent",
            "group": "body",
            "name": "namespace",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 86400,
            "group": "body",
            "name": "ttl_seconds",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "prefers dark mode",
            "group": "body",
            "name": "value",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://agent-memory-api-production-f2c4.up.railway.app/v1/memories"
      },
      {
        "description": "List all stored memories in a namespace, most recently updated first. Returns a JSON array of memory records.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://agent-memory-api-production-f2c4.up.railway.app/v1/memories/bazaar-seed"
      },
      {
        "description": "Fetch a single stored memory by namespace and key. Returns the memory record as JSON (404 if not found).",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://agent-memory-api-production-f2c4.up.railway.app/v1/memories/bazaar-seed/hello"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "agent-memory-api-production-f2c4-up-railway-app",
    "integrationType": "",
    "isNew": false,
    "name": "agent-memory-api-production-f2c4.up.railway.app",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.001",
      "currency": "USDC",
      "maxAmount": "0.001",
      "minAmount": "0.001"
    },
    "provider": "agent-memory-api-production-f2c4.up.railway.app",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"aeff105c09ea46603f9f2358db09a58752becbde674710da8889c99121dc17b7","id":399,"kind":"listing","method":"baseline/1","observed_us":1793025222111846,"prev":null,"subject":"agentic_market:agent-memory-api-production-f2c4-up-railway-app","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. 0xde58f922a15425bdf17af512197d9d616414a0c1a0c1fc6b3c542efbe68e3df1
2. 0x8602cd6fdba7d602376cd58167052fa528cb7dd8c636ff9989ecd71fe48e71f0
3. 0xabafd148580a50102c06926a053b74908c74cd3b342840cd4b4aa7f40df19de3
4. 0xa771a4f6ae8888b54138837f81c461467558942764aff39e8103d0b85627f22d
5. 0xc51ffa52208ed2f0898e79ba05cde35916c41e40bde4480197f70f544456ed1b
6. 0x36d482a53dd4b2c443144e8209e889dd05c553b59ab86fcaf765e36ebea3d3b0
7. 0x61f258cf4f6ab57fc60ba84827f98d8f9222cd5d90b3e8ab0fa791d60d50f2f5
8. 0x481c3ac997060b05d18826dd3fe01231b140e8390a6be1d33993886b1d5488c9
9. 0x90f31318bc82c2efd70ef8f428dd812029c877364777efb309b6cd0e23a8c458
10. 0x2d9d6462afc5b1463c70c3ad7bab0bbd60dd232ca8386916ee54414b71a3db6e
11. 0x85202061e6a75f8df085f0bff56604cbc8349d53f71525ea3c173296a57488dc
12. 0xd5d3f9a510ef9bc1156a86fc24b9d0c3a67b96d7c1dad1563f35f879e0ac9b4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae