← The evidence ledger
Evidence row 70500
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.x402node.dev/knowledge/wikipedia-page
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 145a6c637a0866b6a8513135241a72d0ec3c4ac6e372df25b6c1f8e1783fd94a
- Leaf
- 0x26cfbb5f7635c144345ba6bd568686ce01e3fb5d8e530fbefe8e6bf7ed6e2fbd
What was observed
{
"endpoints": [
[
"x402",
"https://api.x402node.dev/knowledge/wikipedia-page"
]
],
"name": "api.x402node.dev/knowledge/wikipedia-page",
"owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
"raw": {
"accepts": [
{
"amount": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
"scheme": "exact"
},
{
"amount": "8000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
"scheme": "exact"
}
],
"description": "Get a Wikipedia article summary by exact title. Returns extract (lead paragraph), description, thumbnail, originalimage, content URLs (desktop/mobile/edit), and wikibase_item. Use ?title=Albert_Einstein plus optional and lang=en. Built for AI agents doing literature review, biography lookup, and grounded RAG. Accepts payment on Base or Solana — either network works.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"lang": "string",
"title": "string"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"lang": {
"description": "Lang (optional)",
"type": "string"
},
"title": {
"description": "Title (required)",
"type": "string"
}
},
"required": [
"title"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T18:39:42.684Z",
"quality": {
"l30DaysTotalCalls": 26,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T18:39:42.495Z"
},
"resource": "https://api.x402node.dev/knowledge/wikipedia-page",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Get a Wikipedia article summary by exact title. Returns extract (lead paragraph), description, thumbnail, originalimage, content URLs (desktop/mobile/edit), and wikibase_item. Use ?title=Albert_Einstein plus optional and lang=en. Built for AI agents doing literature review, biography lookup, and grounded RAG. Accepts payment on Base or Solana — either network works."
}What the leaf hashes
{"body":"145a6c637a0866b6a8513135241a72d0ec3c4ac6e372df25b6c1f8e1783fd94a","id":70500,"kind":"listing","method":"baseline/1","observed_us":1793025480600317,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/knowledge/wikipedia-page","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).
- 0x26cfbbc26169ce5a2def089cdb6623c2f8a53343d8027933b319565b118eb282
- 0xf9cd4979aeb564711d2ad8e60fef3649b2f7d3aec06f2f610513904c4fe137d6
- 0x476e22c206849d0005f5565d586f108195b6bb7b4a495b0d233a2ef779bb8593
- 0xc884c17d2acd1687fe8cd297418a887522e64f0f5c52436a7188ab70dd643fdc
- 0x06137b88d33ccb96f29603f5eb21cdbd55df005112cbaa2f4b43ef3f576cd9aa
- 0x494625fc5ecf47e49ffdcb311e995ae9d5f6b22fa54baafbe1938c6a04c090b6
- 0xeb2059112978e58b5b6db562c2dd74735527b71df330fb93853f209a885fc04b
- 0x36ba2961c310af905f8b8d572229fecbe9b259d9cd07f757bc17e9639de4de50
- 0x390d74ada87601d669e15979a01ae413edc5a0fe9f3bd85dba6bda7c7497c5c4
- 0xad558df47956c7575e501c0b81dc4eb03d9b165e990657293028c04774a19b4c
- 0x90f2b3a28efa276421488834f526df2e5769ef8f14ee569439eea7b97f77a866
- 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
- 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
- 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae