← The evidence ledger
Evidence row 3969496
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent402.tools/api/skill/content-grade
- Recorded
- Previous row
- #3765642
- Body SHA-256
- 4b24cdba6a7219873b22be0b0a5cc67f3f42aa68de600c45052a8b514f212f14
- Leaf
- 0xcb44b312ccf87eeaa1087dc9126906795c32f01501d7ada08a0901687c00e106
What was observed
{
"endpoints": [
[
"x402",
"https://agent402.tools/api/skill/content-grade"
]
],
"name": "Skill: Content grade",
"owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
"raw": {
"accepts": [
{
"amount": "12000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"outputSchema": {
"properties": {
"args": {
"properties": {
"url": {
"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": "12000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:143",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:43114",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:1329",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "13000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:10",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
"extra": {
"name": "Global Dollar",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:4663",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42220",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:5042",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "permit2",
"facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "upto"
},
{
"amount": "12000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
"scheme": "exact"
},
{
"amount": "120000",
"asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
"extra": {
"areFeesSponsored": true
},
"maxTimeoutSeconds": 300,
"network": "stellar:pubnet",
"payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
"tag": "x402-global-challenge"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
"scheme": "exact"
}
],
"description": "Grade a page's content quality - extract the readable content then analyze keyword density. Content grade skill pack: one x402 payment runs 3 underlying tools (extract, keywords, readability-score); partial-success per step.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://agent402.tools/docs"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"args": {
"url": "https://agent402.tools/docs"
},
"pack": "content-grade",
"steps": [
{
"ok": true,
"result": {},
"slug": "extract"
},
{
"ok": true,
"result": {},
"slug": "keywords"
},
{
"ok": true,
"result": {},
"slug": "readability-score"
}
],
"summary": "3/3 steps succeeded"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"url": {
"description": "URL of the page to grade",
"type": "string"
}
},
"required": [
"url"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"args": {
"properties": {
"url": {
"type": "string"
}
},
"type": "object"
},
"pack": {
"type": "string"
},
"steps": {
"items": {
"properties": {
"ok": {
"type": "boolean"
},
"result": {
"type": "object"
},
"slug": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"summary": {
"type": "string"
}
},
"required": [
"pack",
"args",
"steps",
"summary"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_b4aw4uzd"
},
"schema": {
"$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/v1788138502/bazaar-icons/478aced8e219894c.png",
"lastUpdated": "2026-10-27T11:41:44.564Z",
"quality": {
"l30DaysTotalCalls": 8,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-27T11:41:44.365Z"
},
"resource": "https://agent402.tools/api/skill/content-grade",
"serviceName": "Skill: Content grade",
"tags": [
"skill-pack",
"workflow",
"content-grade",
"agents",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Grade a page's content quality - extract the readable content then analyze keyword density. Content grade skill pack: one x402 payment runs 3 underlying tools (extract, keywords, readability-score); partial-success per step."
}What the leaf hashes
{"body":"4b24cdba6a7219873b22be0b0a5cc67f3f42aa68de600c45052a8b514f212f14","id":3969496,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083575039743,"prev":3765642,"subject":"x402_bazaar:https://agent402.tools/api/skill/content-grade","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (195826 rows).
- 0xcb4499682f612edf0fe299a0aa1701d9801bdce3ba3a80c69f36682b42145a03
- 0x563ff6f47e1bd27ea610decfef609d2106219468bd74726feb2544677a4ade48
- 0x50702b90a83e968af5030615cce5b3d430ec5687ee5f6d174681a81a67f6df37
- 0x2527565b2363b5c8eedf53bfac8462b3cb272c8f905037e97a3d9c6aaf0816c8
- 0xfdd9a44c540e74ada4d82edfef63709f72a385906627955515dd21a7e5191d92
- 0x02b1f2d4c0dfcde3eb1c769736cbc58df60eb50cc99e44320486c52095ad487e
- 0x2f70ffd80ed9eb434777dd7355cb8d9cc0f9bfcd3ef5538c187007dd12e51e5f
- 0x91fa3bf74554f007c84ce2c875d5f18e92f9a4c2ec4d7965d808f4276a30b520
- 0x70bdd78c4e40def6d01ab222c02f2bf25233a215d972ee120abcf6055a265615
- 0xd8c7d3df5917ac15bffabb4e1b5868b5164cdad91091e6d8913d3ad01a784311
- 0x87aaf6c83edff8432fcae73da614d8c6909f405b17ec6175b02e3040d40fe6e7
- 0x5e1e5ca4d43ac6c9c8e436f27faf6f30ff429d1dac299a573f9cf5bdd5b333c6
- 0x323b2b51ea056d2bd53361e622fcc4746faacd85ec9c49a13533cbbd4f82b3b9
- 0x7bd88dbcdea7b744679f2ef6bbd4a71cd8814c46cc02d4ab11745e97813ff9cf
- 0x8d59bf422a3db88dd24fca3b92cb99d28bd5632a71eaf94e51b925600c735b27
- 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
- 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df
- Day root
- 0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
- Chained
- 0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
- Published
- On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa