Evidence row 424776

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": "59",
          "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":"85be43b09941d43a744d05478eff6e45b42e6caa0771eab785f85d47044a78af","id":424776,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793086088132742,"prev":278196,"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 2026-10-27 (273461 rows).

1. 0xa6c31fb8b1dd4147f56f7ca3f7b87b7f8a31a9eb7f4307e56da83c4d4f1c8071
2. 0x2facfbfc6dc6a2f5bdb4aa2bed0e8d0f795dd0513f8359ba7b8cbdcdce9af3f5
3. 0x275660e5595a9bf6addce69e11858340eb27f2708b15f9a79fb4abaadc16f9cc
4. 0x8a0b1687ae8ea686542f3a8cc3f146a4cc8fcaa410953e993f6097ca2f643af8
5. 0x8adf4b07b52e9ed5382cc3f7c2c0beafbcd52923277269e9522fa0aca6268957
6. 0xcf3b1d8cdeda783764188d4da8075fdbfaf8ea49156bbe3507546cae3a0dede4
7. 0xa8a64c6c43ffeb88c7d9e389b2671cdd5cffb3bc613b10f7886e43797d4a34bc
8. 0x944ecd796957391dd7775271f45f5655f2ffac70e1a2faee1aca095a677ed99f
9. 0x25d3dd26600ddd40f9fd4339f485e0abe36a1deab802f4e5f09b51343231088b
10. 0x5ae263265777ee62431de587d377c20bb922d60cc6fb48094a7f3cdb8a3b231e
11. 0x84d44ad9f2c04577b96d73f7fdc6010e8b93e5b318136ae9ea601cf365fad041
12. 0x98f564dcc2f0d0fd67cbc3a17211687e12a4becc9b9c47ef78c02ff7431b734a
13. 0xb37156a04839055daed26674da38864f8dae598cab9742c6fb3e74eb3178f2d4
14. 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4