Evidence row 61354

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-search.centorprat.workers.dev/papers"
    ]
  ],
  "name": "Research Paper Search",
  "owner_address": "0x8d38d6026cf3a9805de9c5f0611cee95b532b120",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8d38D6026cf3A9805DE9c5F0611ceE95B532B120",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x8d38D6026cf3A9805DE9c5F0611ceE95B532B120",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "3644DrcePengCVjznEa59Dm7Mu7Acr522NvYyapHRHQh",
        "scheme": "exact"
      }
    ],
    "description": "Academic paper search across Google Scholar, arXiv, Crossref, OpenAlex and Semantic Scholar in one call, merged by DOI / arXiv id / title: title, authors, year, venue, citation count, DOI, abstract, landing page and open-access PDF link. Ranked by relevance, citations and recency; yearFrom and openAccessOnly filters. Half the price of other paper search APIs.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "numResults": 5,
              "query": "retrieval augmented generation evaluation"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "papers": [
                {
                  "authors": [],
                  "citations": 120,
                  "doi": "...",
                  "pdfUrl": "https://...",
                  "sources": [
                    "openalex",
                    "arxiv"
                  ],
                  "title": "...",
                  "year": 2024
                }
              ],
              "query": "..."
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "numResults": {
                      "description": "1-25 (default 10)",
                      "type": "integer"
                    },
                    "openAccessOnly": {
                      "description": "only papers with a free PDF",
                      "type": "boolean"
                    },
                    "query": {
                      "description": "topic or title",
                      "type": "string"
                    },
                    "yearFrom": {
                      "description": "only papers from this year on",
                      "type": "integer"
                    }
                  },
                  "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": "2026-10-25T19:20:56.346Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T19:20:56.019Z"
    },
    "resource": "https://agent-search.centorprat.workers.dev/papers",
    "serviceName": "Research Paper Search",
    "tags": [
      "papers",
      "research",
      "academic",
      "scholar",
      "web-search"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Academic paper search across Google Scholar, arXiv, Crossref, OpenAlex and Semantic Scholar in one call, merged by DOI / arXiv id / title: title, authors, year, venue, citation count, DOI, abstract, landing page and open-access PDF link. Ranked by relevance, citations and recency; yearFrom and openAccessOnly filters. Half the price of other paper search APIs."
}

What the leaf hashes

{"body":"90d54855f97b15b036cdc0df8dd07e68a4f5f430dbe474985f926bd0c3bad494","id":61354,"kind":"listing","method":"baseline/1","observed_us":1793025450516334,"prev":null,"subject":"x402_bazaar:https://agent-search.centorprat.workers.dev/papers","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xcc5579a8d0732fa826713a6a4e1b869921af37c41061894b9bfbe9a847d5c32f
2. 0xbe2b0ae5c40285634c2a3ed4aee3a247aa38d0b8a68ad435fc2dde8735392100
3. 0x006a77e3558960c260c4c47fb852902d3bd11deb2bcec5f94824e4f2253dc6dd
4. 0x99c74c70a47cd9e37dd3d86246bc8d37b48af33d2b747001bd2ed2f7eeec48cb
5. 0xfd0580efee47255a0420f9890173ec1191e7a40e33350ceebad7b163e15874e7
6. 0xd495a21e39aede142f04faa282ccb5429ae49e37a3c403c302af586544273ee8
7. 0x91c3790e6599757170db827f36cd4a92c2e614b123bd61d2a97f8b0784a7c6c9
8. 0x93308b2276604edd63a5525461cf1d23fc5ebf1e00f0397ae8ea6b0ced0fd52a
9. 0xf14571e0f3a8ad4b1c3265c1e007f49f004f9328845cde92cea971f836f10a17
10. 0xb437fa812774620037e8b846ce859d02f5f899d75fbb675ae7d40e553edaffd4
11. 0x1233e806ac6f264fea872a85785df4b3024b89e9788bb6dfa89e28944cb30400
12. 0x85ea84dc356483b05e7ec8ed6e303988684070a1512dc756c8e64a7e3604feaf
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae