Evidence row 750261

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming"
    ],
    [
      "x402",
      "https://api.biotechcatalystsentinel.com/v1/events"
    ]
  ],
  "name": "api.biotechcatalystsentinel.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "category": "",
    "description": "",
    "domain": "api.biotechcatalystsentinel.com",
    "endpoints": [
      {
        "description": "PDUFA dates a company put in an SEC filing, not a calendar of every US-listed biotech. Each date is grounded in a verbatim filing quote, cited to its EDGAR accession, and scored against the FDA decision. Use when you need the next 1-365 days of those disclosed dates, whole feed or one ticker. Accuracy and coverage are free at GET /v1/accuracy. Flat price per request.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 200,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 365,
            "group": "query",
            "name": "within_days",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "61",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming"
      },
      {
        "description": "Change stream for PDUFA dates a company put in an SEC filing: every set, extension and resolution of every tracked catalyst, with the outcome (approval or CRL), the filing quote and its EDGAR source, as a since-cursor feed. Use when you mirror those disclosed dates and need changes as they land, not a snapshot. Accuracy and coverage are free at GET /v1/accuracy. Flat price per request.",
        "method": "GET",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 100,
            "group": "query",
            "name": "limit",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 0,
            "group": "query",
            "name": "since",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://api.biotechcatalystsentinel.com/v1/events"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-biotechcatalystsentinel-com",
    "integrationType": "",
    "isNew": false,
    "name": "api.biotechcatalystsentinel.com",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.035",
      "currency": "USDC",
      "maxAmount": "0.05",
      "minAmount": "0.02"
    },
    "provider": "api.biotechcatalystsentinel.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"55b78a09e04f84d66e5622c1896656cbd0baf041ce98a749fbe753755396686c","id":750261,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793178677070107,"prev":547387,"subject":"agentic_market:api-biotechcatalystsentinel-com","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. 0xb0fcd55ec7c4411af579a10ac4a182d0eabe68aa6814ec7ed7808c3c5f9926cc
2. 0x357870157bd1c29735478bda4527199c2c54016ad21f5a427751cb63c0cc0992
3. 0xdb45207fe82a89f5dc8a47265dfb14d9cb198705bcee640480fb976873336ee0
4. 0x71ead964612353ea62aa141a71c3463d765001d7e86e8959466d9792d6f935d6
5. 0x1409448f632d38f1ec6f5273589a753a527a3653082cad9105474a520f382cd1
6. 0x57399181279c3f0c6baa65b0c5b1c348da852b71000e7778f8267b0cd53f2744
7. 0x86e6a4ff1321c1f62286a882b34bfefb249c41f241e9ff5b77328df40602be9a
8. 0xeac1714fc150a570087d2ad194505033def461d42960df95b24a6353bbab7411
9. 0xccaea0809f9ee5ecf7673d9a8ae9219983b3f2dafc80980971714e79e67438c4
10. 0xf99ec6e64c3cd08fa7ae9ce2aacc83dcf11f639ee42c3d44eaf9cf415376cb52
11. 0xa97e39afecb0b05779b5d63485e58c90d3888fb389c77c0d1282ca25b71aa2c0
12. 0x5a479aaebe9f67b843e6d7aef6fb431b656ee3cdb7c101ed4174c84175b7a63f
13. 0x2c930436acda0fc12ca6444c398732253201032fcc30928df4b856695845c63b
14. 0xad5ed8dc5ef9ee1ff21d19f603db7fd603ad90ffc13b68cf331a879eabb7b657
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae