← The evidence ledger
Evidence row 750225
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming
- Recorded
- Previous row
- #547319
- Body SHA-256
- 7289df2f65f23c28b35fa7dc58b381144d36a3f1b0efc7e922038f63c55b4f6c
- Leaf
- 0x25f789f02308dbcc1915d4dd11e9493fcc022ad76fa750a158c4b569f701c0a0
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": "2026-10-28T01:20:10.172Z",
"quality": {
"l30DaysTotalCalls": 61,
"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":"7289df2f65f23c28b35fa7dc58b381144d36a3f1b0efc7e922038f63c55b4f6c","id":750225,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178675546239,"prev":547319,"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).
- 0x25f8a3a08e029aa16e3bf2a7024d3833ac52263d8b2a018decde6db12f59eed1
- 0x6f7f10b3ed69395424d45938234dc0a35ba180c6663312eb7445fbb66e519228
- 0xca48a3d3f0107f7c665c71e80ba5e92d9c05d013a06b48bb76363dbc84108063
- 0x2ffdc3a4865a8566056673ace0c33f5db9f4cd86e149ed0c4009ae484ec50e5e
- 0xaddad7472b2941135496fb57f71c77d8fd0ea8aaf1961f036699392f5f8acf79
- 0x265e8116f6bcf07d95842bf64419139b1f44b30dee37d0a0f22a1f252d900b53
- 0x9a77a7419721620cf40c6f058d38148df6e1d6f9ade26414424ba39b6afc74ba
- 0x103c0fdeb87cfc66e652d67bf0867fe21402b380fa335bf2c16c6c42103d9cdf
- 0x3ad2964571965b7c7f4f06993c18ef71d5d6648e9027e3b5b08faed462b2a884
- 0x3b5dfd8b0abee2069ae3568964a3a68a5b066f70ab52144f88b9a28be7e5630d
- 0x7cec297ea316d17595d82ab85f2028a20db8bf758125cc62125b1a2c8d0d7512
- 0x2a6cfa6bbf974cb7898427aa13bd3083f55935fb0e675d1af43c5a54e01791db
- 0xfcc0286dc0eb69aad96b886d1f2a42a5bc1d90d84cfc212c4ef6bde6a564a1de
- 0x5c170d609340e1f702f31fcdd7742289f0913d4395f688b3409031b758c69eae
- 0x8d500b42a7bdba5e17ebd9e6a404f2de5260cf3420865b41e7de8c69434ce413
- 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
- 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
- 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f
- Day root
- 0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e
- Chained
- 0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be
- Published
- On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae