← The evidence ledger
Evidence row 278233
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming
- Recorded
- Previous row
- #233045
- Body SHA-256
- 6639918a3ec98eb21270e4063a28c32b90b122ad9c4ddb4ea2d30cdb658845d4
- Leaf
- 0xe0b0427d7822c7bb14d11b700b4beaa25e285d6e39f014c565de200aeac15768
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": "2026-10-26T15:22:08.788Z",
"quality": {
"l30DaysTotalCalls": 58,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-26T15:22:08.262Z"
},
"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":"6639918a3ec98eb21270e4063a28c32b90b122ad9c4ddb4ea2d30cdb658845d4","id":278233,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042058846870,"prev":233045,"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 (296695 rows).
- 0xe0affda5ac22bab5969f7f0a3ed33ec62aeab831c55d110dd6809ca8f766fa72
- 0x4d89a82e6088c49d1e16f6afc75522850a0edcf2cf6543c3f07c030985240618
- 0xce4d8920ebdbb03791a58bfd2caae6a68ab94fa2f89a45616d4bd3acb6175faa
- 0x0f98606a6d213c29fc05c7bed92401002643946c329626cd987a4111b455b9fc
- 0xe3699d00525eb6cfde128c51bc967a33a366dd41c2508669291d3d187685da80
- 0x64733a15ab60a61ae53c18052f65c0cc8562d4b8c6cf3b1f059faa0a7e769068
- 0x1b32301693efcaae5a6519268c32cadac27f49d9ff8c934b6c681f21d468d77e
- 0xdd1ea032eb2bc797a4af8c76453bcee95b5b16dac1d6d6b80306184234da3dcb
- 0x99b783dba3694ae8f2773734195394a8b25123c4e91985af78afd47a5bedbe85
- 0xd3a62dd19c033cefdc0e95b84442d2d997b149848ac391c70f7061b3fe284696
- 0x82d0a2528274b883dc22fee84985c9c34404274baadfb76651d0008598f80bff
- 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
- 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae