addrbookFor publishers
← 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).

  1. 0x4d77c01030a77d3cc2e8423e02488cfeec678c69532d30b30f7feaa753a38bd3
  2. 0xd3c05801066db51f1af9a0f30410b61da195b9b1bfedc6e82423577fb7b3a519
  3. 0x698e5e97216146cfb2b1c5c5a282f78cfc68909a645d59f29633361fb46915cc
  4. 0xdda5c99f1630023e18881ebc1b007640c2ae2f05d934b8f2f0266b822198aa77
  5. 0x6440e3a2545345cb80b7ca02f7910bfa7a7516e02953acd38f968992f6869729
  6. 0x87914fef57f898d94a5351d31c11f9974aadfe7cc95f25c20b38d71553343bcf
  7. 0xed45480eadfedc8d8b946652f0b09771cc8f26ed6bc0cdafbc8091eb0d7464cc
  8. 0xae5c83e83884fc30c031c5d28840a991588329c27e669c0764a59e33e228a295
  9. 0x71e877bf3d31388cb5897c01a263accc25ca883cc351a1a046907095e96912ab
  10. 0x3964b657b861782aa5a33079a40c16e105428d017af356e7a7cb8cc02e82d7ec
  11. 0xaa143d27804a7949a2b1598e5b8ab52f09ca62ad72136c2be3d24cdecb5d5be0
  12. 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
  13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
  14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON