← The evidence ledger
Evidence row 424752
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming
- Recorded
- Previous row
- #406990
- Body SHA-256
- 0d3fbadbd8b37af07d6eb16f7225b94731c78dffe92b06f47f741a64a8495cf1
- Leaf
- 0x773b7b872cb124e39294c3f457d866816a27d0b905e4c5ecaabf86cebe87ec0d
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": "2026-10-27T03:20:06.807Z",
"quality": {
"l30DaysTotalCalls": 59,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-27T03:20:06.252Z"
},
"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":"0d3fbadbd8b37af07d6eb16f7225b94731c78dffe92b06f47f741a64a8495cf1","id":424752,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086086194379,"prev":406990,"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 (273461 rows).
- 0x773b61e3dccf392f02ee73baf6a404daf988d921dc3e212ec344bcf52c2b7426
- 0xd196e07c9d49f41f9f856bfce321e279ceda0e9586e913f2ad1a91242117d2bf
- 0x514c9e57314bd78f923d0b58b191a6e58e65c1c97e0c3c19e0c0b4fcf304dd20
- 0x5f53ef6a06cde412485d88e30092ea6d42c07795506ca6e045feb9ee881f3dab
- 0x9deeef5adf9f9df5edd6406db1e917b5f96f9143e87057df9787c258a54fcc46
- 0x06c0b9d7d64f464a474e59050fce9e8d1b5184d7e066a795e8df52305784800d
- 0x20872fd0413dea6f0dfb9518d53a42c3d3436a044a0b5860f058ab9c8398ff82
- 0xc3df2c08a4f0879cf8fd9f5d5ed08af6843792e5bfab5913a00cf7b53838a93c
- 0x9d40c0a0515c66c047279229eed5cfed41bb12e59a75b1b9a816e7489787e69a
- 0x0dcbf51fb2ecee58e0aec94fcb361cef89d57ae5d6a06d812d391867385ddd8e
- 0xe6bb1ce9f4488db1a61582719cb796889efd3c003080931b82d2a8a465d0fec2
- 0x6834d22f4558c2279e3de3027a40f72cd350b3c4a2e54be57aff9ec2c9eaf01a
- 0x4094bd5bc2ab60e4518d1ee8a13455a69d7484ea62ecdca2618d0f39d3403503
- 0x9848c068b1371232529d2b5738fdc45b854c57da041b69ea7c9e112b14e2d9d1
- 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
- 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4