← The evidence ledger
Evidence row 62025
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402.tools/api/skill/loan-comparison
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 42a674444d40e65d55ac3b3e05c5e40f052edb6b1133808efda15d0e35ca98d0
- Leaf
- 0x6762479c9b55faf1dbc07ae0657954b1de723aa1ea69232745c660c2ed1b4cf4
What was observed
{
"endpoints": [
[
"x402",
"https://agent402.tools/api/skill/loan-comparison"
]
],
"name": "Skill: Loan comparison",
"owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
"raw": {
"accepts": [
{
"amount": "6000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"outputSchema": {
"properties": {
"args": {
"properties": {
"loanA": {
"type": "string"
},
"loanB": {
"type": "string"
}
},
"type": "object"
},
"pack": {
"type": "string"
},
"steps": {
"items": {
"properties": {
"ok": {
"type": "boolean"
},
"result": {
"type": "object"
},
"slug": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"summary": {
"type": "string"
}
},
"required": [
"pack",
"args",
"steps",
"summary"
],
"type": "object"
},
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:143",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:43114",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:1329",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "7000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:10",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
"extra": {
"name": "Global Dollar",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:4663",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42220",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "upto"
},
{
"amount": "6000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
"scheme": "exact"
},
{
"amount": "60000",
"asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
"extra": {
"areFeesSponsored": true
},
"maxTimeoutSeconds": 300,
"network": "stellar:pubnet",
"payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
"tag": "x402-global-challenge"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
"scheme": "exact"
}
],
"description": "Compare two or more loan offers - different rates, terms, fees, prepayment structures - on the metrics that actually matter (monthly payment, total interest, year-1 equity build, NPV at your discount rate, effective rate). Apples-to-apples math without opening a spreadsheet. Loan comparison skill pack: one x402 payment runs 5 underlying tools (loan-payment, amortization, compound-interest, npv, irr); partial-success per step.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"loanA": "$300,000 at 6.5% for 30 years",
"loanB": "$300,000 at 6.0% for 15 years"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"args": {
"loanA": "$300,000 at 6.5% for 30 years",
"loanB": "$300,000 at 6.0% for 15 years"
},
"pack": "loan-comparison",
"steps": [
{
"ok": true,
"result": {},
"slug": "loan-payment"
},
{
"ok": true,
"result": {},
"slug": "amortization"
},
{
"ok": true,
"result": {},
"slug": "compound-interest"
},
{
"ok": true,
"result": {},
"slug": "npv"
},
{
"ok": true,
"result": {},
"slug": "irr"
}
],
"summary": "5/5 steps succeeded"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"loanA": {
"description": "First loan offer (e.g. \"$300,000 at 6.5% for 30 years\")",
"type": "string"
},
"loanB": {
"description": "Second loan offer (e.g. \"$300,000 at 6.0% for 15 years\")",
"type": "string"
}
},
"required": [
"loanA",
"loanB"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"args": {
"properties": {
"loanA": {
"type": "string"
},
"loanB": {
"type": "string"
}
},
"type": "object"
},
"pack": {
"type": "string"
},
"steps": {
"items": {
"properties": {
"ok": {
"type": "boolean"
},
"result": {
"type": "object"
},
"slug": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"summary": {
"type": "string"
}
},
"required": [
"pack",
"args",
"steps",
"summary"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_b4aw4uzd"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784423094/bazaar-icons/478aced8e219894c.png",
"lastUpdated": "2026-10-20T01:51:58.706Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-20T01:51:58.527Z"
},
"resource": "https://agent402.tools/api/skill/loan-comparison",
"serviceName": "Skill: Loan comparison",
"tags": [
"skill-pack",
"workflow",
"loan-comparison",
"agents",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compare two or more loan offers - different rates, terms, fees, prepayment structures - on the metrics that actually matter (monthly payment, total interest, year-1 equity build, NPV at your discount rate, effective rate). Apples-to-apples math without opening a spreadsheet. Loan comparison skill pack: one x402 payment runs 5 underlying tools (loan-payment, amortization, compound-interest, npv, irr); partial-success per step."
}What the leaf hashes
{"body":"42a674444d40e65d55ac3b3e05c5e40f052edb6b1133808efda15d0e35ca98d0","id":62025,"kind":"listing","method":"baseline/1","observed_us":1793025452327332,"prev":null,"subject":"x402_bazaar:https://agent402.tools/api/skill/loan-comparison","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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- 0x398a29df5925c12c12cdcaadad7d789512f06e2681d9e8b5946ceb491e0889ff
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- 0x81f60d633740307bd850fb1d8c1b47af6f6b675f0e44b58e2af83734b5f42f50
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- 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
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- 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae