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Evidence row 120479

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/papers/arxiv
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a1f264fb1f4a910ef976f90ac251c6ba596636e095a7839fb438d19a20e134eb
Leaf
0x923d494575d032c3fafc3cf2302b657a2c2d74ee04d8fd74e5b23773127e8df8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/papers/arxiv"
    ]
  ],
  "name": "Saylor Innovations Papers",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:papers:arxiv",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:papers:arxiv",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:papers:arxiv",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:papers:arxiv",
          "reference": "7WApcPpRCpPHit5pEURtArACkR35iHbQYNzFepbxtDmQ",
          "session": "eyJhcnRpY2xlSWQiOiJwYXBlcnM6YXJ4aXYiLCJyZWZlcmVuY2UiOiI3V0FwY1BwUkNwUEhpdDVwRVVSdEFyQUNrUjM1aUhiUVlOekZlcGJ4dERtUSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDc3MDcyMDk4fQ.nCVjbFGQCQ_iWdKc2Od1wT_5n_oit9_nZmmj6FW9N_M"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:papers:arxiv",
          "reference": "ErTZ5WxB5LgDuKRJ6VhW9kUF4qvXYMrMsBfZWZMXsMgp",
          "session": "eyJhcnRpY2xlSWQiOiJwYXBlcnM6YXJ4aXYiLCJyZWZlcmVuY2UiOiJFclRaNVd4QjVMZ0R1S1JKNlZoVzlrVUY0cXZYWU1yTXNCZlpXWk1Yc01ncCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDc3MDcyMDk4fQ.FqhsbTt42sp-0txAUnbrZrfsEBN0mHm03bd0oqkVlxE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92982",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:papers:arxiv",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "95858",
          "reference": "DmkQghrCcvyRm6Shx12x2nFAW8kRTFX6eV86e9KPgorr",
          "session": "eyJhcnRpY2xlSWQiOiJwYXBlcnM6YXJ4aXYiLCJyZWZlcmVuY2UiOiJEbWtRZ2hyQ2N2eVJtNlNoeDEyeDJuRkFXOGtSVEZYNmVWODZlOUtQZ29yciIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5Mjk4MiwiZXhwIjoxNzkyNDc3MDcyMDk4fQ.Z-ScH1kKYVUM7igOK8JmNntioXqaB1fx-SSJeHU-EK8",
          "solUsdPrice": 104.32
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Newest arXiv submissions by category and keyword - title, authors, abstract and PDF link",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "category": "cs.AI"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "category": "cs.AI",
              "count": 1,
              "papers": [
                {
                  "abstract": "...",
                  "arxiv_id": "2609.01234",
                  "authors": [
                    "A. Researcher"
                  ],
                  "pdf_url": "https://arxiv.org/pdf/2609.01234",
                  "primary_category": "cs.AI",
                  "published": "2026-09-23T17:59:59Z",
                  "title": "Agents That Pay: ...",
                  "url": "https://arxiv.org/abs/2609.01234"
                }
              ],
              "query": null,
              "source": "arXiv"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "description": "optional arXiv category, default cs.AI (query)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "category": {
                      "description": "Category",
                      "type": "string"
                    },
                    "count": {
                      "description": "Number of items returned",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "papers": {
                      "description": "List of papers",
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "query": {
                      "description": "The query as the server interpreted it"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "papers"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-20T06:15:52.139Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T06:15:51.78Z"
    },
    "resource": "https://saylorinnovations.com/api/papers/arxiv",
    "serviceName": "Saylor Innovations Papers",
    "tags": [
      "papers",
      "academic",
      "research",
      "science",
      "arxiv"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Newest arXiv submissions by category and keyword - title, authors, abstract and PDF link"
}

What the leaf hashes

{"body":"a1f264fb1f4a910ef976f90ac251c6ba596636e095a7839fb438d19a20e134eb","id":120479,"kind":"listing","method":"baseline/1","observed_us":1793025618125957,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/papers/arxiv","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. 0x923d1d8db76989fa23c1c835af6bbc88ffe0f1e08b499534b3004f88dc28c802
  2. 0x7aee913a18e11b0551ca12fbb41bc822d239850260b70028123df09a21fafa3a
  3. 0x65ceca9a6bca1dcb9a5f85a73be7b89640e0569d82b333319a771245366a6601
  4. 0x34f11f991bb3f74d83654751bd7e7d8883419ca98f436da1a04b8cbda22f18d0
  5. 0xd4f57763de258048fe7dd012dea854daa5d6b0b15f10901c3ce676a09ae39bb5
  6. 0xcf777476279c31b7addabf1056965774d484822de963fa43f954697c918972cc
  7. 0x4d73c2b3b47eb4a26df9efd9d24cb7996d953b5a980c973426bebb19bf4a7371
  8. 0x2039c093b224b6271c2da43e17235d1d0efcc5cb8b55ece0a70390eb6e8f1436
  9. 0x5e3a9e8753e009a1c5d774835c1440ea5baa86bc7363444b76f653c7ff87173d
  10. 0x832f34bb008802b110406e880902a2a6955e0c595bbbe020688b9d51bc08dc80
  11. 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
  12. 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
  13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
  14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
  15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON