← The evidence ledger
Evidence row 61360
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent-search.centorprat.workers.dev/watch
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 37a0d235740da92ec14f4628a07612b6a91e0cc7a203d08fde6275fde3aa912c
- Leaf
- 0x4d777f773fe21318a357d2aa43466a3aea8137aff42e139a3d6a56cc479df80a
What was observed
{
"endpoints": [
[
"x402",
"https://agent-search.centorprat.workers.dev/watch"
]
],
"name": "Web + News Search Monitor",
"owner_address": "0x8d38d6026cf3a9805de9c5f0611cee95b532b120",
"raw": {
"accepts": [
{
"amount": "6000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x8d38D6026cf3A9805DE9c5F0611ceE95B532B120",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x8d38D6026cf3A9805DE9c5F0611ceE95B532B120",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "3644DrcePengCVjznEa59Dm7Mu7Acr522NvYyapHRHQh",
"scheme": "exact"
}
],
"description": "Monitor a topic: call with a query (web or news) and a watchId; each call returns only the results you have not seen before (newResults) plus the full list, so polling agents stop re-reading old links and spending tokens on them. No setup: the first call creates the watch. Hashed URLs only, kept 60 days; the query text is never stored.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"kind": "news",
"query": "x402 payments news"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"allResults": [],
"firstRun": true,
"newCount": 10,
"newResults": [],
"query": "...",
"watchId": "abc123def456"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"country": {
"description": "2-letter country the results are for: us, gb, de, es, fr, in, br, ... (default us)",
"type": "string"
},
"hours": {
"description": "news only: window in hours",
"type": "integer"
},
"kind": {
"description": "web | news (default web)",
"type": "string"
},
"numResults": {
"description": "1-20",
"type": "integer"
},
"private": {
"description": "true = the query is not logged or cached (default false)",
"type": "boolean"
},
"query": {
"description": "What to search for",
"type": "string"
},
"time": {
"description": "freshness: hour, day, week, month or year (optional)",
"type": "string"
},
"watchId": {
"description": "8-64 chars; leave out on the first call",
"type": "string"
}
},
"required": [
"query"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T19:40:20.42Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-25T19:40:20.139Z"
},
"resource": "https://agent-search.centorprat.workers.dev/watch",
"serviceName": "Web + News Search Monitor",
"tags": [
"monitoring",
"alerts",
"news",
"search",
"web-search"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Monitor a topic: call with a query (web or news) and a watchId; each call returns only the results you have not seen before (newResults) plus the full list, so polling agents stop re-reading old links and spending tokens on them. No setup: the first call creates the watch. Hashed URLs only, kept 60 days; the query text is never stored."
}What the leaf hashes
{"body":"37a0d235740da92ec14f4628a07612b6a91e0cc7a203d08fde6275fde3aa912c","id":61360,"kind":"listing","method":"baseline/1","observed_us":1793025450525076,"prev":null,"subject":"x402_bazaar:https://agent-search.centorprat.workers.dev/watch","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).
- 0x4d77c01030a77d3cc2e8423e02488cfeec678c69532d30b30f7feaa753a38bd3
- 0xd3c05801066db51f1af9a0f30410b61da195b9b1bfedc6e82423577fb7b3a519
- 0x698e5e97216146cfb2b1c5c5a282f78cfc68909a645d59f29633361fb46915cc
- 0xdda5c99f1630023e18881ebc1b007640c2ae2f05d934b8f2f0266b822198aa77
- 0x6440e3a2545345cb80b7ca02f7910bfa7a7516e02953acd38f968992f6869729
- 0x87914fef57f898d94a5351d31c11f9974aadfe7cc95f25c20b38d71553343bcf
- 0xed45480eadfedc8d8b946652f0b09771cc8f26ed6bc0cdafbc8091eb0d7464cc
- 0xae5c83e83884fc30c031c5d28840a991588329c27e669c0764a59e33e228a295
- 0x71e877bf3d31388cb5897c01a263accc25ca883cc351a1a046907095e96912ab
- 0x3964b657b861782aa5a33079a40c16e105428d017af356e7a7cb8cc02e82d7ec
- 0xaa143d27804a7949a2b1598e5b8ab52f09ca62ad72136c2be3d24cdecb5d5be0
- 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
- 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae