← The evidence ledger
Evidence row 2201757
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://hacker-news.x402tookit.com/hn-user
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5bfbbf981262fb62f45bdd9af1990ebc1ba97067815ad6f2b3fda44992118194
- Leaf
- 0x393d13f569b5ac5463046535b4ae5cef0a999a08d5ae7c6fd3b3f38dea724dd4
What was observed
{
"endpoints": [
[
"x402",
"https://hacker-news.x402tookit.com/hn-user"
]
],
"name": "Hacker News",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Hacker News user profile: karma, account age, submission count and recent story/comment activity with top story.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"username": "pg"
},
"type": "http"
},
"output": {
"example": {
"about": "Bug fixer.",
"accountAgeDays": 7316,
"asOf": "2026-10-21T00:39:22.981Z",
"createdAt": "2006-10-09T18:21:32.000Z",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"karma": 157316,
"karmaPerYear": 7854,
"notChecked": [
"activity older than the latest 30 items",
"private or deleted items",
"…1 more"
],
"profile": "https://news.ycombinator.com/user?id=pg",
"reasons": [],
"recentActivity": {
"avgStoryPoints": 258,
"comments": 28,
"lastActiveAt": "2024-03-11T12:57:11Z",
"sampled": 30,
"stories": 2,
"storyPoints": 516,
"topDomains": [
{
"count": 1,
"domain": "thesocialradars.com"
},
{
"count": 1,
"domain": "twitter.com"
}
],
"topStory": {
"by": "pg",
"comments": 209,
"discussion": "https://news.ycombinator.com/item?id=37278345",
"domain": "twitter.com",
"id": 37278345,
"points": 374,
"postedAt": "2023-08-27T00:51:13Z",
"title": "If you're interested in eye-tracking, I'm interested in funding you",
"url": "https://twitter.com/paulg/status/1695596853864321055"
}
},
"source": "Hacker News (Firebase API and Algolia HN Search)",
"sourceUrl": "https://news.ycombinator.com",
"submissions": 15565,
"summary": "pg: 157316 karma, account 7316 days old, 15565 submissions; latest 30 items: 2 stories, 28 comments.",
"username": "pg",
"verdict": "USER_FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"username": {
"description": "Case-sensitive HN username, e.g. pg",
"type": "string"
}
},
"required": [
"username"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"about": {
"type": [
"null",
"string"
]
},
"accountAgeDays": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"createdAt": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"karma": {
"type": [
"null",
"number"
]
},
"karmaPerYear": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"profile": {
"type": [
"null",
"string"
]
},
"reasons": {
"type": [
"array",
"null"
]
},
"recentActivity": {
"properties": {
"avgStoryPoints": {
"type": [
"null",
"number"
]
},
"comments": {
"type": [
"null",
"number"
]
},
"lastActiveAt": {
"type": [
"null",
"string"
]
},
"sampled": {
"type": [
"null",
"number"
]
},
"stories": {
"type": [
"null",
"number"
]
},
"storyPoints": {
"type": [
"null",
"number"
]
},
"topDomains": {
"items": {
"properties": {
"count": {
"type": [
"null",
"number"
]
},
"domain": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"topStory": {
"properties": {
"by": {
"type": [
"null",
"string"
]
},
"comments": {
"type": [
"null",
"number"
]
},
"discussion": {
"type": [
"null",
"string"
]
},
"domain": {
"type": [
"null",
"string"
]
},
"id": {
"type": [
"null",
"number"
]
},
"points": {
"type": [
"null",
"number"
]
},
"postedAt": {
"type": [
"null",
"string"
]
},
"title": {
"type": [
"null",
"string"
]
},
"url": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
}
},
"type": [
"null",
"object"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"submissions": {
"type": [
"null",
"number"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"username": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:27:31.897Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T23:27:31.74Z"
},
"resource": "https://hacker-news.x402tookit.com/hn-user",
"serviceName": "Hacker News",
"tags": [
"hackernews",
"user",
"karma",
"profile"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Hacker News user profile: karma, account age, submission count and recent story/comment activity with top story."
}What the leaf hashes
{"body":"5bfbbf981262fb62f45bdd9af1990ebc1ba97067815ad6f2b3fda44992118194","id":2201757,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646808787662,"prev":null,"subject":"x402_bazaar:https://hacker-news.x402tookit.com/hn-user","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).
- 0x393cc0c4436d06e04f9cd990ed6f1808d6d91be642ded82fd5ab610bed09c88b
- 0x3fffbc08b0cd4a71e54fffdacfccb68cbffaf85fb4e1c63a40abc16ff06581b2
- 0xd684877064f46bd73543e4743931e3fafa34c8d696e21816f1eb83e64ae9f732
- 0x31bbaf65208cc53e3f91c381c4ed97fccc8f201e0d8552211acc173710577cb2
- 0x8f9a4948ad90158e8812aae68f6208a31eec65c9bc262d569d661f1fda697118
- 0x49e3b4ca8694c5bd370154a6cdc1be8226a04b2e5fbaa8cfc421297876a0a089
- 0x9e0e62c2228d86ca45dc598a352b105b85319a0224b19e56521590ff37159103
- 0xa01ab38bf2126b93b600129d79c7456bcd020978b30b672e3387eda783445687
- 0xa643165012c888ff4ce03c15dd5e4714ab7b04df11bdc8b7baeaa0de664cdc87
- 0x3d602026ef6e87cc704f34b3f8c344126ad2fefcd7d74390d0f4046c7bfeaded
- 0x6e57eb92647b672e6789d6f11401cfaadd3d9debde70d7ec55c20cc6d55eb392
- 0x0fd72956710df968a8f58dacdfceb8698025772998960cf002c04225c3ba96b2
- 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
- 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
- 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af