← The evidence ledger
Evidence row 125317
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-markettwits-news.onrender.com/news/sentiment
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e72dae3d88151fcf02455bd5c0fc1ca980ad55bf855edf2ab8c66f65c5b1b991
- Leaf
- 0x78d4c200154d9e007b268d72ded62782403bb8bf2b82179fb04a1bbbec89a4b9
What was observed
{
"endpoints": [
[
"x402",
"https://x402-markettwits-news.onrender.com/news/sentiment"
]
],
"name": "x402-markettwits-news.onrender.com/news/sentiment",
"owner_address": "0x2c257ee70952a16f00c99d40fdff2d28f1a5b8a2",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x2c257EE70952a16f00c99d40fDFF2d28f1A5b8A2",
"scheme": "exact"
}
],
"description": "Scores each item matching q in the last N hours (1-168, default 24) with a keyword/emoji lexicon (rise/beat/upgrade vs. fall/miss/sanctions, ⬆️/⬇️) plus explicit '= ±X%' moves, and returns bullish/bearish/neutral counts, score = (bullish - bearish)/count in [-1, 1], a label and examples. method is always 'heuristic'.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"hours": 24,
"q": "oil"
},
"type": "http"
},
"output": {
"example": {
"bearish": 1,
"bullish": 4,
"count": 6,
"examples": {
"bearish": [],
"bullish": [
{
"headline": "SPCX = +9%: SpaceX posted a quarterly profit for the first time",
"id": 389795,
"importance": "high",
"published_at": "2026-10-21T10:02:00Z",
"score": 1,
"source_url": "https://t.me/markettwits/389795"
}
]
},
"hours": 24,
"label": "bullish",
"method": "heuristic",
"neutral": 1,
"note": "Heuristic keyword/emoji lexicon plus explicit '= ±X%' moves; not a language model.",
"query": "SpaceX",
"score": 0.5,
"since": "2026-10-20T16:00:00Z"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"hours": {
"default": 24,
"description": "Look-back window in hours (default 24, clamped to 1-168)",
"maximum": 168,
"minimum": 1,
"type": "integer"
},
"q": {
"description": "Keywords (case-insensitive). Several words = all must match. Hashtags match with or without '#', e.g. 'oil', '#Fed rates'.",
"maxLength": 100,
"minLength": 1,
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"bearish": {
"type": "integer"
},
"bullish": {
"type": "integer"
},
"count": {
"type": "integer"
},
"examples": {
"properties": {
"bearish": {
"items": {
"properties": {
"headline": {
"description": "First meaningful line, emoji removed",
"type": "string"
},
"id": {
"description": "Telegram post id in t.me/markettwits",
"examples": [
389638
],
"type": "integer"
},
"importance": {
"enum": [
"high",
"medium",
"low"
],
"type": "string"
},
"published_at": {
"description": "Publication time of the original post (ISO 8601)",
"type": "string"
},
"score": {
"type": "number"
},
"source_url": {
"description": "Original Russian post",
"type": "string"
}
},
"required": [
"id",
"published_at",
"importance",
"headline",
"source_url"
],
"type": "object"
},
"type": "array"
},
"bullish": {
"items": {
"properties": {
"headline": {
"description": "First meaningful line, emoji removed",
"type": "string"
},
"id": {
"description": "Telegram post id in t.me/markettwits",
"examples": [
389638
],
"type": "integer"
},
"importance": {
"enum": [
"high",
"medium",
"low"
],
"type": "string"
},
"published_at": {
"description": "Publication time of the original post (ISO 8601)",
"type": "string"
},
"score": {
"type": "number"
},
"source_url": {
"description": "Original Russian post",
"type": "string"
}
},
"required": [
"id",
"published_at",
"importance",
"headline",
"source_url"
],
"type": "object"
},
"type": "array"
}
},
"type": "object"
},
"hours": {
"type": "integer"
},
"label": {
"enum": [
"bullish",
"bearish",
"neutral",
"no_data"
],
"type": "string"
},
"method": {
"enum": [
"heuristic"
],
"type": "string"
},
"neutral": {
"type": "integer"
},
"note": {
"type": "string"
},
"query": {
"type": "string"
},
"score": {
"description": "(bullish - bearish) / count",
"maximum": 1,
"minimum": -1,
"type": "number"
},
"since": {
"type": "string"
}
},
"required": [
"query",
"hours",
"count",
"bullish",
"bearish",
"neutral",
"score",
"label",
"method"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T09:51:23.696Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-25T09:51:23.487Z"
},
"resource": "https://x402-markettwits-news.onrender.com/news/sentiment",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Scores each item matching q in the last N hours (1-168, default 24) with a keyword/emoji lexicon (rise/beat/upgrade vs. fall/miss/sanctions, ⬆️/⬇️) plus explicit '= ±X%' moves, and returns bullish/bearish/neutral counts, score = (bullish - bearish)/count in [-1, 1], a label and examples. method is always 'heuristic'."
}What the leaf hashes
{"body":"e72dae3d88151fcf02455bd5c0fc1ca980ad55bf855edf2ab8c66f65c5b1b991","id":125317,"kind":"listing","method":"baseline/1","observed_us":1793025626069317,"prev":null,"subject":"x402_bazaar:https://x402-markettwits-news.onrender.com/news/sentiment","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).
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- 0x15ee99441401ec9e8c72aaf51bd6c821ec4e6b18bc91225370e5c19c4c8e8448
- 0xdcba35a3346e9c4b9ae1267cc5995998c2c33da9ef658e955eaae1589ebbdcad
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae