← The evidence ledger
Evidence row 121594
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://sports-predictor-api.fly.dev/api/v1/probabilities
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ca9f507bc1a4d05275ee037fb56e1ba79df0c4ef234035953071105ef65fe123
- Leaf
- 0x254114d293e42bcddb1e079dec9012cb108feeb2b750fbd599024ae17fe3c536
What was observed
{
"endpoints": [
[
"x402",
"https://sports-predictor-api.fly.dev/api/v1/probabilities"
]
],
"name": "Sports Predictor",
"owner_address": "0x11a5a9ee3fffd4d8cbb2b3c5e02acaa268486b67",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x11A5a9ee3ffFd4d8cBB2B3c5E02ACAA268486b67",
"scheme": "exact"
}
],
"description": "Calibrated 1X2 probabilities plus derived markets (totals, BTTS, correct score) for every upcoming fixture across the big-five European leagues. Backed by a public, Brier-scored track record.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"days": 14
},
"type": "http"
},
"output": {
"example": {
"count": 1,
"fixtures": [
{
"away": "Coventry City",
"date": "2026-08-21",
"expected_goals": {
"away": 0.71,
"home": 2.14
},
"home": "Arsenal",
"league": "premier_league",
"league_label": "Premier League",
"markets": {
"btts": {
"no": 0.55,
"yes": 0.45
},
"correct_score": [
{
"p": 0.13,
"score": "2-0"
}
],
"totals": {
"2.5": {
"over": 0.54,
"under": 0.46
}
}
},
"probabilities": {
"away": 0.14,
"draw": 0.2,
"home": 0.66
}
}
],
"generated_at": "2026-08-14T09:00:00+00:00",
"window_days": 14
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"const": "GET",
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"days": {
"default": 14,
"description": "How far ahead to include fixtures, in days.",
"maximum": 30,
"minimum": 1,
"type": "integer"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"count": {
"type": "integer"
},
"fixtures": {
"items": {
"properties": {
"away": {
"type": "string"
},
"date": {
"format": "date",
"type": "string"
},
"expected_goals": {
"properties": {
"away": {
"type": "number"
},
"home": {
"type": "number"
}
},
"type": "object"
},
"home": {
"type": "string"
},
"league": {
"type": "string"
},
"league_label": {
"type": "string"
},
"markets": {
"description": "Over/under lines, both-teams-to-score and likeliest scorelines. Raw model output, not calibrated.",
"type": "object"
},
"probabilities": {
"description": "Calibrated 1X2 probabilities; sum to 1.",
"properties": {
"away": {
"type": "number"
},
"draw": {
"type": "number"
},
"home": {
"type": "number"
}
},
"type": "object"
}
},
"required": [
"date",
"home",
"away",
"probabilities"
],
"type": "object"
},
"type": "array"
},
"generated_at": {
"format": "date-time",
"type": "string"
},
"window_days": {
"type": "integer"
}
},
"required": [
"generated_at",
"count",
"fixtures"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-24T15:28:15.873Z",
"quality": {
"l30DaysTotalCalls": 8,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-24T15:28:15.756Z"
},
"resource": "https://sports-predictor-api.fly.dev/api/v1/probabilities",
"serviceName": "Sports Predictor",
"tags": [
"sports",
"football",
"probabilities",
"predictions"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Calibrated 1X2 probabilities plus derived markets (totals, BTTS, correct score) for every upcoming fixture across the big-five European leagues. Backed by a public, Brier-scored track record."
}What the leaf hashes
{"body":"ca9f507bc1a4d05275ee037fb56e1ba79df0c4ef234035953071105ef65fe123","id":121594,"kind":"listing","method":"baseline/1","observed_us":1793025620121621,"prev":null,"subject":"x402_bazaar:https://sports-predictor-api.fly.dev/api/v1/probabilities","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).
- 0x2540b607b70cc0a251fdb2773b0ae359703d339ebaaf03c794d1eac2a9fecd0e
- 0xe1cb0bf1a052dc765bd76c976dc08ad3d22a2b338083afbe11e949d32042090a
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- 0xac7e00c14b11efc4c7a9a7fc14c73ad722bf70d6f1a88d85000ea846c121b776
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- 0xa3e719d02f51b46be66819cdf2d71d951df05065c30197eda7848e688a094863
- 0xcd59d6e87f33016070792bd627b1f58155e890e1fdf84deab560cdcb1c986874
- 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae