← The evidence ledger
Evidence row 2201423
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- de7897ec5032ef9714fb0f1cd073c488ca0d212ec328cb6c236110d137d9271a
- Leaf
- 0xd6d0fedf6c3da5078e8a885aa45a57290472da8cd0e2350eaa58c9071fb97f6d
What was observed
{
"endpoints": [
[
"x402",
"https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare"
]
],
"name": "NO HANDS AI",
"owner_address": "0x94f751f04b98507d31b500b7ed50be68a1514873",
"raw": {
"accepts": [
{
"amount": "10002",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
"scheme": "exact"
}
],
"description": "Compare two to five x402 resources or servers by price, payment metadata, schema quality, seller consistency, and budget fit.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"budget_usdc": "0.02",
"resources": "https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/alpha-risk,https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/token-alpha-snapshot"
},
"type": "http"
},
"output": {
"example": {
"budget_usdc": 0.02,
"candidates": [
{
"amount_usdc": 0.01,
"description": "Illustrative resource A",
"flags": [],
"pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
"rank": 1,
"risk_level": "low",
"score": 85,
"url": "https://example.com/a"
},
{
"amount_usdc": 0.02,
"description": "Illustrative resource B",
"flags": [],
"pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
"rank": 2,
"risk_level": "low",
"score": 80,
"url": "https://example.com/b"
}
],
"decision_hint": "Use the top-ranked resource for low-value autonomous spend with Payment Guard.",
"fetched_at": "2026-07-24T00:00:00.000Z",
"limitations": [
"Comparison is based on unpaid x402 metadata and caller-supplied URLs.",
"A lower price does not prove better delivery quality."
],
"product": "x402-resource-compare",
"recommendation": {
"amount_usdc": 0.01,
"description": "Illustrative resource A",
"flags": [],
"pay_to": "0x94F751f04b98507D31b500b7Ed50bE68A1514873",
"rank": 1,
"risk_level": "low",
"score": 85,
"url": "https://example.com/a"
},
"schema_version": "1.0"
},
"type": "json"
}
},
"routeTemplate": "/v1/x402/x402/resource-compare",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"budget_usdc": {
"description": "Optional maximum acceptable spend for one chosen resource.",
"example": "0.02",
"pattern": "^[0-9]+(?:\\.[0-9]{1,6})?$",
"type": "string"
},
"resources": {
"description": "Comma-separated list of two to five public x402 resource or server URLs.",
"example": "https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/alpha-risk,https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/base/token-alpha-snapshot",
"maxLength": 4096,
"pattern": "^https?://",
"type": "string"
}
},
"required": [
"resources"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"type": "object",
"x-schema-authority": "STRUCTURED_PRODUCT_RESULT",
"x-schema-family": "STRUCTURED_PRODUCT_RESULT"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T02:44:10.745Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T02:44:10.562Z"
},
"resource": "https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare",
"serviceName": "NO HANDS AI",
"tags": [
"x402",
"no-hands-ai",
"api-inspection"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compare two to five x402 resources or servers by price, payment metadata, schema quality, seller consistency, and budget fit."
}What the leaf hashes
{"body":"de7897ec5032ef9714fb0f1cd073c488ca0d212ec328cb6c236110d137d9271a","id":2201423,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804900085,"prev":null,"subject":"x402_bazaar:https://nohands-coinbase-bazaar.bytoken2023.workers.dev/v1/x402/x402/resource-compare","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xd6d0fe796cc0ce20ef6beb38cebdd4e78ed549c6f66043b043a7a44fbd5e10ba
- 0xa12003d471742f5b0875b721c136fecbce815b65a438999aaa0b521becc8fbe7
- 0x70ee9b76d9896cdd148ae6c51af3f8d4f293b382fc98e9815ab34b6c8233bfcc
- 0x49733446bf12976828847d394dabf247e48b2bbece8445823c15218fd6eed83f
- 0xe0bf56a6bd3878ab2566aca73c8356405b2a77ca35de64d14d087839f3bde912
- 0x354cddb08790a06bbb040231217f2ad206a2caba55972f510961900abb27eb42
- 0xd3ee436b2a0002e15fa5ba903b066da06fcb89b81f6f4061ef7babe225c66a79
- 0xa018b1d04f3073c4d4856e239c64ca90b98bb573433d47f73ffded12f91ca5e3
- 0x511720830e98f6163e90b7ba912bae40c859bc28f8a2d964de278217c5329631
- 0x22d3e9aa8228ce785813e5b081d3cdf6db488ae3e4fdc9ef1aeab465ad3beaa4
- 0x9c65c76829eca17a0af68f0dc695c440cc0bffeb2a468afa53dc6263619f7f01
- 0x7187889e0cb6879609e91cd98c7d6289b291639a739c761b50ed349bfcd02009
- 0x0a0b06366ac223b57a065057db885c66f1a3225264321b3732529557f57cf2a7
- 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
- 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af