Evidence row 749997

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": "8"
        },
        "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":"c322100d68b8a86f951094a0ef7a7480d41d62a7a9a90c40a4458f94083ce5a7","id":749997,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793178670056863,"prev":525132,"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 2026-10-28 (231336 rows).

1. 0x7e5977a0ab2af328e4cbd5c6b66cf21ae5032870d182df6e42414b9bea255421
2. 0xd1ce84c2af19a1d464b97c82860c11f867b5f4cca57ed03ba9567614f9384fef
3. 0x8ce1535d970f9814502897269a19311b124d6c403f6f7100ec1aa7d63e1a328a
4. 0x8c9e0ff7a1792cb469e9819eafc6b68a32269753eb7dfe6c296d281ca190b8e8
5. 0x2a9394eca2d44c8a0060bfe92ee067d97fb80a14d31b258ef1986fdf2c767e33
6. 0x4d8a77ab5db91f1a735e7491831deb5c9b6e2738c0653080a2d02845ccf595e5
7. 0x036ae1325ae9299a68f81b6235fbbc8590f8592428d996982d5a6bbc7fba95b4
8. 0xc25f2e1482f9841501080e55d943a315fbf2565b39e3502631e21d19bc0ad31f
9. 0xc53e583ebdd2c64768e2f66b391c7622882b55a00e8d9b5e560666d2328bd7f7
10. 0x0080186a646eb2f73c8fb930c4477d978b42bb094b89baf3dae18eea99307d6b
11. 0x0736048f82aec2b6271d333dcc2e3d6b83d61035358a6f0ae67b8db47875194c
12. 0xf1d12da4d227242f97d9bc58d06140106dee16d6d541ebe113d7c7f6ab2d8b67
13. 0xf042be8757f2f3ef070e717e38a7b0ad951d74298e721ac0b2e7855db790e392
14. 0x40581185279a8bf075dca3a4c3a5648ec6f62098ba7402cbc097d5cc707e0840
15. 0xab4e84d781dccd579dcf5c47a356a4a2e6cac58a2aefdf3543a3fa15238fa4db
16. 0x74cf00e07b52415c2184cf20be69d195ed2725497a6892c2f3e449497c17d0ec
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae