← The evidence ledger
Evidence row 71659
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://biomedical-grants.use.x402atlas.com/trend
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6f5e7e286af3f29406cbffd1e9f5efb7fb97b196a06c9738fc73502d6b793c48
- Leaf
- 0xfaea1f29a295c358efcf402f2b754353546287379b028577903fb1a54397b5bc
What was observed
{
"endpoints": [
[
"x402",
"https://biomedical-grants.use.x402atlas.com/trend"
]
],
"name": "Biomedical Funding Trend",
"owner_address": "0x8c128f1ee62bb5e47867cfbae2ad89be325df1b2",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"merchant": "x402Atlas",
"tier": "standard"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"scheme": "exact"
}
],
"description": "NIH funding trend — how many projects and how many dollars NIH put into a topic each fiscal year over up to ten years, with institute, activity code and SBIR/STTR filters. Use to see whether money in a field is growing, when it moved, or how small-business awards on a topic trend before investing research effort or capital.",
"extensions": {
"bazaar": {
"category": "science",
"info": {
"input": {
"method": "GET",
"queryParams": {
"from": 2022,
"query": "psilocybin",
"to": 2026
},
"type": "http"
},
"output": {
"example": {
"activity_code": [],
"agency": [],
"as_of": "2026-10-22T12:00:00Z",
"caveat": "projects counts every matching fiscal-year record; awarded sums their amounts only for years with at most 500 matches (complete). Fiscal years start 1 October.",
"from": 2022,
"mechanism": "",
"modified": true,
"query": "psilocybin",
"source": {
"citation": "Source: NIH RePORTER, reporter.nih.gov. U.S. Government work, public domain. Normalized by x402 Atlas.",
"name": "NIH RePORTER (National Institutes of Health)",
"url": "https://reporter.nih.gov"
},
"to": 2026,
"total_awarded": 100725504,
"total_projects": 161,
"years": [
{
"awarded": 5931873,
"complete": true,
"fiscal_year": 2022,
"projects": 12
},
{
"awarded": 6004572,
"complete": true,
"fiscal_year": 2023,
"projects": 19
},
{
"awarded": 14583720,
"complete": true,
"fiscal_year": 2024,
"projects": 30
},
{
"awarded": 37703330,
"complete": true,
"fiscal_year": 2025,
"projects": 44
},
{
"awarded": 36502009,
"complete": true,
"fiscal_year": 2026,
"projects": 56
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"activity_code": {
"description": "Comma-separated activity codes, up to 5, e.g. R01,U01,K08",
"maxLength": 30,
"type": "string"
},
"agency": {
"description": "Comma-separated NIH institute abbreviations, up to 5, e.g. NCI,NIAID",
"maxLength": 40,
"type": "string"
},
"from": {
"description": "First fiscal year; default four years before the current one",
"minimum": 1985,
"type": "integer"
},
"mechanism": {
"description": "sbir = SBIR/STTR small-business awards; grant = other grants; contract = R&D contracts; omitted = all",
"enum": [
"sbir",
"grant",
"contract"
],
"type": "string"
},
"query": {
"description": "Words to match in title, abstract and terms; all must match",
"maxLength": 200,
"type": "string"
},
"to": {
"description": "Last fiscal year; default the current one. At most 10 years from `from`",
"minimum": 1985,
"type": "integer"
}
},
"required": [
"query"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"activity_code": {
"description": "Applied filter",
"items": {
"type": "string"
},
"type": "array"
},
"agency": {
"description": "Applied filter",
"items": {
"type": "string"
},
"type": "array"
},
"as_of": {
"description": "Retrieval time, UTC",
"format": "date-time",
"type": "string"
},
"caveat": {
"description": "Fixed interpretation note",
"type": "string"
},
"from": {
"type": "integer"
},
"mechanism": {
"description": "Applied; empty when none",
"type": "string"
},
"modified": {
"description": "Always true: normalized, not the raw record",
"type": "boolean"
},
"note": {
"description": "Present on a sample, an empty result or when a year is incomplete",
"type": "string"
},
"query": {
"type": "string"
},
"source": {
"additionalProperties": false,
"properties": {
"citation": {
"type": "string"
},
"name": {
"type": "string"
},
"url": {
"type": "string"
}
},
"required": [
"name",
"url",
"citation"
],
"type": "object"
},
"to": {
"type": "integer"
},
"total_awarded": {
"description": "Sum over complete years",
"type": "integer"
},
"total_projects": {
"description": "Sum over years",
"type": "integer"
},
"years": {
"description": "Oldest first",
"items": {
"additionalProperties": false,
"properties": {
"awarded": {
"description": "Sum of award amounts, USD; 0 when not complete",
"type": "integer"
},
"complete": {
"description": "True when the year had at most 500 matches and awarded is the full sum",
"type": "boolean"
},
"fiscal_year": {
"type": "integer"
},
"projects": {
"description": "Matching fiscal-year records",
"type": "integer"
}
},
"required": [
"fiscal_year",
"projects",
"awarded",
"complete"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"as_of",
"source",
"caveat",
"modified",
"query",
"from",
"to",
"agency",
"activity_code",
"mechanism",
"years",
"total_projects",
"total_awarded"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"nih",
"grants",
"funding-trends",
"research-funding",
"biomedical"
]
}
},
"lastUpdated": "2026-10-22T14:20:25.825Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-22T14:20:25.719Z"
},
"resource": "https://biomedical-grants.use.x402atlas.com/trend",
"serviceName": "Biomedical Funding Trend",
"tags": [
"nih",
"grants",
"funding-trends",
"research-funding",
"biomedical"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "NIH funding trend — how many projects and how many dollars NIH put into a topic each fiscal year over up to ten years, with institute, activity code and SBIR/STTR filters. Use to see whether money in a field is growing, when it moved, or how small-business awards on a topic trend before investing research effort or capital."
}What the leaf hashes
{"body":"6f5e7e286af3f29406cbffd1e9f5efb7fb97b196a06c9738fc73502d6b793c48","id":71659,"kind":"listing","method":"baseline/1","observed_us":1793025483061678,"prev":null,"subject":"x402_bazaar:https://biomedical-grants.use.x402atlas.com/trend","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).
- 0xfae9aa06d016f585214b373c5d837e2fdfe420aca322698d3c7041d69bba1f25
- 0x793a541e5a5a6494dbb55352fd2b189e9bc4cf8fe815958d88d8216d4ff27143
- 0x3c06a9430a4313719d12a22add3ce9bf52d4cb3e1d2bb17bb31dc283d776605c
- 0x3982104334ae19d082ec2beafcd67541e6c88cc314e1d04fc70ae6ba79d1c4f8
- 0x31f1d17ef1ba05b82c7a1bd1afc353d47c047ca850931d56b8b20eff9cbfe1b5
- 0x97f3d95ba85ae44527258b4092bb9faeb03cb79cc4c56e9d0852842b0242c490
- 0x4107b7b33d2dc7be7e2b6858c96dfe452dcb76b043667f65da1397268f942568
- 0x320165ed74d25543d26b2e14cbc3d677af37732fa5bc44d9aabacfad4b4f47be
- 0xbfe92308f156ea6389ec1185fb208a6cf9ca58f58a39e7ccf88e8c8b244dc082
- 0xd76f45bbfd4476d2270c8ee2682ce22ef4f12d6f8a748331c7b8b81e476c49cb
- 0xc1f00d9dcd67fe1d14473197e5f14f3efa26c1e1569cc2a3172842f28c850633
- 0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
- 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
- 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
- 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae