Evidence row 278196

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": "58",
          "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":"5e1a939d5dd7ef16b28829841ab54f607757131410bbd0143d8f9ff1a2a59fab","id":278196,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793042058139761,"prev":15467,"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 2026-10-26 (296695 rows).

1. 0x91b479894d44ece6ad369f2d9b3bf9d95cc80757057d0430b01ebdc6c2b6503f
2. 0x10e23afecc1c55090f8d0b6c45e177a27e908f98c3c3892a70f039f32238a3fe
3. 0x79d85bd7b89ff7eb515b3cc1c2dbb7c5aa30605035e6053423fed508408c8045
4. 0x2864d08f401aa13ce2551c3622ddfa4d70beb8bb1158fac8f9c04c531ecf1697
5. 0xc0e46edad2476091d498b704d782cd48886b4031ac159f79185cbad9ef11c0d1
6. 0x020385d3e29b17c68ce0ef8e8950d6d9d90df872260d421bfa46e0fffd0ff3cb
7. 0x1446e3326689d31cc6f5f8355eb1488cb45e3332752aba85ffc6e49043814636
8. 0x49c043b5bb92cedf9f2fb5e40cee7d89643042adfcd7641b4f4207fecbf2e7fd
9. 0x5410fead19c2a3bcc8f28608fd9fca026fb27a547465281a2d82863cf0bd4f32
10. 0x0d8c9849ad61f3608ed33ea96162e91265f1a635a7e3d125b440758921da7146
11. 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae