Evidence row 1438

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.signalis.dev/v1/pulse/content/recent"
    ],
    [
      "x402",
      "https://api.signalis.dev/v1/pulse/narratives"
    ],
    [
      "x402",
      "https://api.signalis.dev/v1/pulse/narratives/:id"
    ]
  ],
  "name": "api.signalis.dev",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.signalis.dev",
    "endpoints": [
      {
        "description": "Paid ($0.02 USDC via x402). Raw scraped content items from the last 4 hours across all Pulse sources. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://api.signalis.dev/v1/pulse/content/recent"
      },
      {
        "description": "Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.",
        "method": "GET",
        "parameters": [],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "64",
          "l30DaysUniquePayers": "7"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://api.signalis.dev/v1/pulse/narratives"
      },
      {
        "description": "Paid ($0.01 USDC via x402). Narrative detail: content items, source attribution, and lifecycle updates for one narrative. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "query",
            "name": "id",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "4036",
            "group": "path",
            "name": "id",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://api.signalis.dev/v1/pulse/narratives/:id"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-signalis-dev",
    "integrationType": "",
    "isNew": false,
    "name": "api.signalis.dev",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.013333",
      "currency": "USDC",
      "maxAmount": "0.02",
      "minAmount": "0.01"
    },
    "provider": "api.signalis.dev",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"a68487895c3d9782f555cb24d6381e46c286ec78d428688e9bfea857ed040fe5","id":1438,"kind":"listing","method":"baseline/1","observed_us":1793025254062591,"prev":null,"subject":"agentic_market:api-signalis-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. 0x86f5db99b9dec32b1f1c0001d2f289910102e59cf79b779ab61de013d632e588
2. 0x40db879ff34676109c706a0d24ba776ab1f9d0fcb286dff72bc1b5954d415558
3. 0x164fe9da5160cb2726702ef26e66fe7c76c498a9c90e9ddd0d5f6341cce5b308
4. 0x95c72b3baac9f80bb80548db56681b553fed02f0b1daff609cf81573b35adc09
5. 0x01210120762955f55e5800b78e3b920281c72cec3e398314724f4df85bf9bd5f
6. 0x3f1fb4fdab2253f6cefbdbf329f871fa30a5bcd3936b5908a8ae74030a097ebc
7. 0x245b4030b264028d704f9fac915b8bb4461f978da7f013d2bcc32b512e86b82c
8. 0x1e6c7446da1a20eeac24d71b08531e3f9588b266747ecc91feb3da21c8e9ab4f
9. 0x316b16e8cde5db385fd76b89652bf04bd954b1948a70656e6b94751f66716f63
10. 0xfdf107aa7e93af826b3c8955b5f09469f1ffacb9f1e76e1b4fabeb215b3414b7
11. 0xaa315896c61e14116f01ecf0dd5aec1ebbd01bc8562fed10b0a3e3dd6bce0924
12. 0x099dd43573993f2a1bea674129b7ed050429a0ac76c3bfda8aaf82a3af126469
13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae