Evidence row 1841

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chat-api.memchat.io/api/v1/x402/video-gen"
    ]
  ],
  "name": "chat-api.memchat.io",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "chat-api.memchat.io",
    "endpoints": [
      {
        "description": "Generate AI video with Base USDC. Price depends on model, duration, and resolution. Returns a free status URL to poll.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 5,
            "group": "body",
            "name": "duration",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "alibaba/happyhorse-1.1/text-to-video",
            "group": "body",
            "name": "modelId",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "A red kite floating above a quiet beach",
            "group": "body",
            "name": "prompt",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.98",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "12",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "OpenGradient",
        "tags": [
          "ai",
          "video",
          "generation",
          "base",
          "usdc"
        ],
        "url": "https://chat-api.memchat.io/api/v1/x402/video-gen"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790751296/bazaar-icons/cc23f7f38eb71594.png",
    "id": "chat-api-memchat-io",
    "integrationType": "",
    "isNew": false,
    "name": "chat-api.memchat.io",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.98",
      "currency": "USDC",
      "maxAmount": "0.98",
      "minAmount": "0.98"
    },
    "provider": "chat-api.memchat.io",
    "providerUrl": "",
    "serviceName": "OpenGradient",
    "tags": [
      "ai",
      "video",
      "generation",
      "base",
      "usdc"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"8b8934241bec31d461542ecd99014c0680fab5636fa81b8d00bc72cbe4a53722","id":1841,"kind":"listing","method":"baseline/1","observed_us":1793025259411493,"prev":null,"subject":"agentic_market:chat-api-memchat-io","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. 0xa9c3016657df58d7e105ef35660c839ecccc6c0948599bdd20b572d1c90d1fd2
2. 0x01b9df2f133349a30096e7e6a8957077b787528102360c47a7fa3de79f14db87
3. 0x675a1e61611a8463d5fc87c07a438b7633e78e064c33e17f03ee84d891b79145
4. 0x86b2dd7973b7515f867b150668132c5c3b12464ee76d8ad777bb6c5d958f6e1d
5. 0x030b6a0b264a86ab28fe6237713cbd5222a7245c912af9ad83e30f50ee17dd3e
6. 0x1b38c8dbb0028c204b424a28748c4b28e33349fa43e903634e4aee4c6f0c0362
7. 0x5e0dc3c45de15fbd37d0ab05eb3a7fca1ee1a4ddd06147a0c77b4a8b49bbb233
8. 0x3f7ae58b206c51fc427f754b9bf85a76e953c0216bd09128c03a01e3643b9713
9. 0x82d9ae554aa7cec8f51a37c603e34e767e325b0595e6cdd1f431b89b2f287159
10. 0xdafe89e6fd113360e44ef4b5cf78f02090d7d8c58f90801b9c55d378ade0c6ae
11. 0x55ba80743bf45624f0b04651dfd0a37e2a85f91f45e334ff14efbb74a49dd361
12. 0x09a19b8d31a6e948e5051cb72b98b1d2b2bfe053f62d6d24d61c22b3ed1c3f24
13. 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae