← The evidence ledger
Evidence row 227320
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint ee22b7e3-ca08-4f33-8f56-1b0d693c10f4
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1f828fae7d862fdd2a860e9a8cce44b9ddaa2eb7b77a771eda8a754dc8dd6394
- Leaf
- 0x58b76e9a06ec09f87b1b35209a66ec7fad52860c31f54b15614f0ebe9d5078f3
What was observed
{
"count": 4,
"tools": [
{
"description": "Calculate jackpot coverage for distinct combinations in one drawing and optional before-tax expected ticket return.",
"inputSchema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"game": {
"enum": [
"powerball",
"megaMillions"
],
"type": "string"
},
"jackpotCash": {
"description": "Optional jackpot cash option in US dollars, required to compute expected ticket return.",
"exclusiveMinimum": 0,
"maximum": 1000000000000,
"type": "number"
},
"tickets": {
"default": 1,
"description": "Different number combinations in the SAME drawing; repeated combinations do not add coverage.",
"maximum": 302575350,
"minimum": 1,
"type": "integer"
}
},
"required": [
"game"
],
"type": "object"
},
"name": "calculate_lottery_odds"
},
{
"description": "Estimate taxes and withholding on a known lottery cash prize. Input dollars; result integer cents. Bundled 2026 rules.",
"inputSchema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"game": {
"default": "custom",
"enum": [
"powerball",
"megaMillions",
"custom"
],
"type": "string"
},
"locality": {
"description": "Only valid with stateCode NY.",
"enum": [
"NYC",
"YONKERS"
],
"type": "string"
},
"otherIncome": {
"default": 0,
"description": "Other annual income in US dollars before the standard deduction.",
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"prize": {
"description": "US dollars, not cents. Maximum $1 trillion.",
"exclusiveMinimum": 0,
"maximum": 1000000000000,
"type": "number"
},
"stateCode": {
"description": "US residence and ticket-purchase state, two-letter code. Cross-state claims are not modeled.",
"enum": [
"AK",
"AL",
"AR",
"AZ",
"CA",
"CO",
"CT",
"DC",
"DE",
"FL",
"GA",
"HI",
"IA",
"ID",
"IL",
"IN",
"KS",
"KY",
"LA",
"MA",
"MD",
"ME",
"MI",
"MN",
"MO",
"MS",
"MT",
"NC",
"ND",
"NE",
"NH",
"NJ",
"NM",
"NV",
"NY",
"OH",
"OK",
"OR",
"PA",
"RI",
"SC",
"SD",
"TN",
"TX",
"UT",
"VA",
"VT",
"WA",
"WI",
"WV",
"WY"
],
"type": "string"
},
"status": {
"default": "single",
"enum": [
"single",
"joint",
"headOfHousehold"
],
"type": "string"
}
},
"required": [
"prize",
"stateCode"
],
"type": "object"
},
"name": "calculate_lottery_payout"
},
{
"description": "Estimate one equal member’s cash prize, taxes and withholding. Each member is assumed to have the specified tax profile.",
"inputSchema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"game": {
"default": "custom",
"enum": [
"powerball",
"megaMillions",
"custom"
],
"type": "string"
},
"locality": {
"description": "Only valid with stateCode NY.",
"enum": [
"NYC",
"YONKERS"
],
"type": "string"
},
"members": {
"description": "Equal owners of one ticket. Result assumes every member has the specified tax profile.",
"maximum": 10000,
"minimum": 2,
"type": "integer"
},
"otherIncome": {
"default": 0,
"description": "Other annual income in US dollars before the standard deduction.",
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"prize": {
"description": "Whole ticket cash prize in US dollars.",
"exclusiveMinimum": 0,
"maximum": 1000000000000,
"type": "number"
},
"stateCode": {
"description": "US residence and ticket-purchase state, two-letter code. Cross-state claims are not modeled.",
"enum": [
"AK",
"AL",
"AR",
"AZ",
"CA",
"CO",
"CT",
"DC",
"DE",
"FL",
"GA",
"HI",
"IA",
"ID",
"IL",
"IN",
"KS",
"KY",
"LA",
"MA",
"MD",
"ME",
"MI",
"MN",
"MO",
"MS",
"MT",
"NC",
"ND",
"NE",
"NH",
"NJ",
"NM",
"NV",
"NY",
"OH",
"OK",
"OR",
"PA",
"RI",
"SC",
"SD",
"TN",
"TX",
"UT",
"VA",
"VT",
"WA",
"WI",
"WV",
"WY"
],
"type": "string"
},
"status": {
"default": "single",
"enum": [
"single",
"joint",
"headOfHousehold"
],
"type": "string"
}
},
"required": [
"prize",
"members",
"stateCode"
],
"type": "object"
},
"name": "calculate_pool_share"
},
{
"description": "Compare a published cash option with 30 growing annuity payments after taxes, including present value and break-even rate.",
"inputSchema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"cashValue": {
"description": "Published cash option in US dollars; do not infer it from a fixed ratio.",
"exclusiveMinimum": 0,
"maximum": 1000000000000,
"type": "number"
},
"discountRate": {
"default": 0.04,
"description": "Annual discount rate as a fraction, e.g. 0.04 for 4%.",
"maximum": 1,
"minimum": 0,
"type": "number"
},
"game": {
"default": "custom",
"enum": [
"powerball",
"megaMillions",
"custom"
],
"type": "string"
},
"jackpot": {
"description": "Advertised annuity total in US dollars.",
"exclusiveMinimum": 0,
"maximum": 1000000000000,
"type": "number"
},
"locality": {
"description": "Only valid with stateCode NY.",
"enum": [
"NYC",
"YONKERS"
],
"type": "string"
},
"otherIncome": {
"default": 0,
"description": "Other annual income in US dollars before the standard deduction.",
"maximum": 1000000000000,
"minimum": 0,
"type": "number"
},
"sharePercent": {
"default": 100,
"description": "Your percentage of one winning ticket.",
"exclusiveMinimum": 0,
"maximum": 100,
"type": "number"
},
"stateCode": {
"description": "US residence and ticket-purchase state, two-letter code. Cross-state claims are not modeled.",
"enum": [
"AK",
"AL",
"AR",
"AZ",
"CA",
"CO",
"CT",
"DC",
"DE",
"FL",
"GA",
"HI",
"IA",
"ID",
"IL",
"IN",
"KS",
"KY",
"LA",
"MA",
"MD",
"ME",
"MI",
"MN",
"MO",
"MS",
"MT",
"NC",
"ND",
"NE",
"NH",
"NJ",
"NM",
"NV",
"NY",
"OH",
"OK",
"OR",
"PA",
"RI",
"SC",
"SD",
"TN",
"TX",
"UT",
"VA",
"VT",
"WA",
"WI",
"WV",
"WY"
],
"type": "string"
},
"status": {
"default": "single",
"enum": [
"single",
"joint",
"headOfHousehold"
],
"type": "string"
},
"winners": {
"default": 1,
"description": "Number of jackpot-winning tickets sharing the prize.",
"maximum": 10000,
"minimum": 1,
"type": "integer"
}
},
"required": [
"jackpot",
"cashValue",
"stateCode"
],
"type": "object"
},
"name": "compare_lump_sum_annuity"
}
]
}What the leaf hashes
{"body":"1f828fae7d862fdd2a860e9a8cce44b9ddaa2eb7b77a771eda8a754dc8dd6394","id":227320,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793028661915006,"prev":null,"subject":"ee22b7e3-ca08-4f33-8f56-1b0d693c10f4","subject_kind":"endpoint"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.