← The evidence ledger
Evidence row 784774
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming
- Recorded
- Previous row
- #750225
- Body SHA-256
- e19daa9000daffeb9e0019c6b85948680582d740d7c4d3ca3c6d8838ff2a0e42
- Leaf
- 0x92748df734d500f9e6eb26b2fd66e6dde1f3b01d8fae0d32680647011544b96d
What was observed
{
"endpoints": [
[
"x402",
"https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming"
]
],
"name": "api.biotechcatalystsentinel.com/v1/catalysts/upcoming",
"owner_address": "0xcd8975137d48ed9bfd1c299a62c01420b860070d",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xcD8975137D48ED9bfD1C299a62c01420B860070d",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "3gM4YDDPAi7w1di7rHAAaHc5T1tR7NRXzLWzPPN4ZRaM",
"scheme": "exact"
}
],
"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.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": 200,
"within_days": 365
},
"type": "http"
},
"output": {
"example": {
"data": [
{
"age_days": 12,
"application_number": "BLA999901",
"attestation_uid": "0x1111111111111111111111111111111111111111111111111111111111111111",
"authority": "llm_high",
"catalyst_id": 990001,
"cik": "0009999001",
"company": "Sample Therapeutics, Inc.",
"confidence": "high",
"date_confidence": "confirmed",
"drug_name": "SAMPLIMAB",
"indication": "sample indication (moderate-to-severe examplitis)",
"last_updated": "2026-07-20T14:02:11.000000+00:00",
"pdufa_date": "2026-11-15",
"source_accession": "0009999001-26-000001",
"source_quote": "The FDA has set a Prescription Drug User Fee Act (PDUFA) target action date of November 15, 2026 for SAMPLIMAB. [FICTIONAL SAMPLE — not a real filing sentence]",
"source_url": "https://www.sec.gov/Archives/edgar/data/9999001/000999900126000001/0009999001-26-000001-index.htm",
"stage": "set",
"ticker": "XSMPL",
"tickers": [
"XSMPL",
"XPRTN"
]
}
],
"meta": {
"has_more": null,
"limit": 200,
"next_since": null,
"total": 1
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"default": 200,
"description": "Maximum number of catalysts to return (1-500; default 200).",
"maximum": 500,
"minimum": 1,
"type": "integer"
},
"ticker": {
"description": "Optional server-side filter: only records filed by this ticker's issuer or exposing it as a co-filer in tickers[] (case-insensitive; the same membership the free /v1/coverage counts). Unknown ticker returns an empty 200. Omit for the whole feed. Does not change the price.",
"maxLength": 12,
"minLength": 1,
"pattern": "^\\S+$",
"type": "string"
},
"within_days": {
"default": 365,
"description": "Only return catalysts whose PDUFA date falls within this many days from today (1-365; default 365).",
"maximum": 365,
"minimum": 1,
"type": "integer"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"description": "One row per upcoming FDA decision. One decision is ONE row even when several public companies file on it (sponsor, originator, royalty holder) — filter on the `tickers` array, not the single `ticker`, or you will miss catalysts a partner is exposed to.",
"items": {
"properties": {
"age_days": {
"type": [
"integer",
"null"
]
},
"application_number": {
"type": [
"string",
"null"
]
},
"attestation_uid": {
"type": [
"string",
"null"
]
},
"authority": {
"enum": [
"human_lock",
"llm_high",
"regex",
"llm_medium",
"llm_low",
null
],
"type": [
"string",
"null"
]
},
"catalyst_id": {
"type": "integer"
},
"cik": {
"type": [
"string",
"null"
]
},
"company": {
"type": [
"string",
"null"
]
},
"confidence": {
"enum": [
"high",
"medium",
"low",
null
],
"type": [
"string",
"null"
]
},
"date_confidence": {
"enum": [
"confirmed",
"reported",
"estimated",
null
],
"type": [
"string",
"null"
]
},
"drug_name": {
"type": [
"string",
"null"
]
},
"indication": {
"type": [
"string",
"null"
]
},
"last_updated": {
"type": [
"string",
"null"
]
},
"pdufa_date": {
"type": [
"string",
"null"
]
},
"source_accession": {
"type": [
"string",
"null"
]
},
"source_quote": {
"type": [
"string",
"null"
]
},
"source_url": {
"type": [
"string",
"null"
]
},
"stage": {
"enum": [
"set",
"extended",
"resolved",
"crl"
],
"type": "string"
},
"ticker": {
"type": [
"string",
"null"
]
},
"tickers": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"catalyst_id",
"stage"
],
"type": "object"
},
"type": "array"
},
"meta": {
"description": "Result metadata, e.g. total count.",
"type": "object"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-28T13:25:56.044Z",
"quality": {
"l30DaysTotalCalls": 60,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-28T01:20:09.614Z"
},
"resource": "https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "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."
}What the leaf hashes
{"body":"e19daa9000daffeb9e0019c6b85948680582d740d7c4d3ca3c6d8838ff2a0e42","id":784774,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211177739852,"prev":750225,"subject":"x402_bazaar:https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (231336 rows).
- 0x92750319a100d1c3651c69a899e470ff933271db1a6ecfae36d69fd16b18a9a6
- 0x6d4d0bab3bcc567dc411900af1ea37fc982d4de9cb3ef44c2a32b9e827ae3e2f
- 0x71ca0104f6e9b4a6aff9c03de2822b5f7ac438e2fc19a19874cdc48b6f527f4a
- 0xfb0bc245384834dd3f63bf0732f5c3953bfd340830afdad3eaa26a7c1e664282
- 0xbdd7ce77fb21381a6e2b24a13431bfd338860f2656980d126e72e2bbd6567b81
- 0x71aab422c557e6e7cc30b39c380215d3b59e57f22f23dc0f4058e99a9e4ea27d
- 0x13c356f82c5d83eec5a9307cd9b9e20608fad8e56f50afd74ca612a615a7eb46
- 0x81c8de9dc336f4278fdac5877aca0d099a650f3e4e95e8f3186552558eef2e89
- 0x5017389ab6f34a5538091af411374b604008effcfc9b8c97ba6f69728332c2a5
- 0x0e66a22dfc400e43d800275875c92865775207a999f6ce8ad74abe016768ce63
- 0xe3df2e0d9d8a97d6cdc99bd8493a68446762c666f8a2d4c04aa8d48ec1f67928
- 0x97087726ab48584cf8d210aed715b97069e03c7bbcf0b477b687a90f3463f3a6
- 0x80b6c9d16d3a8a2da308ee4d36f99dee58b79195b26a42263888bf815ddead58
- 0x088061c71633d244b99c7cc0814bbe03af458b18487f352611ae649c73589766
- 0xcf313ac43fef601c9e46f82a687b6a3c655f47c31675c1791c49de20295be63d
- 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
- 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
- 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae