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Evidence row 120060

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/kb/api-client-retry-backoff-jitter-python-requests
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
23dc17103a15650aeee34d99770f7184bb814cf2a2b950edfe24ba328cfbbb5f
Leaf
0x492d3c85fb762aba6a04685e368d98e22a1279055f63b0c745f701acaef4b854

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/api-client-retry-backoff-jitter-python-requests"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:api-client-retry-backoff-",
          "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:api-client-retry-backoff-",
          "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:api-client-retry-backoff-",
          "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": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:api-client-retry-backoff-",
          "reference": "G3E99oEwp9PMKLSMnR6qfmTg6eBT63A1bh6uq6ncaupk",
          "session": "eyJhcnRpY2xlSWQiOiJhcGktY2xpZW50LXJldHJ5LWJhY2tvZmYtaml0dGVyLXB5dGhvbi1yZXF1ZXN0cyIsInJlZmVyZW5jZSI6IkczRTk5b0V3cDlQTUtMU01uUjZxZm1UZzZlQlQ2M0ExYmg2dXE2bmNhdXBrIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI3NzE0MDE1OTd9.QmNr82LFU0J8ZvRQLF8IMOoF7Pb6hjjVkEMJtqBfHHE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
          "memo": "saylor:api-client-retry-backoff-",
          "reference": "8ek7q6qx9Nt4maC3eQS5opnJvjScafr2ZEnEj69NUGvh",
          "session": "eyJhcnRpY2xlSWQiOiJhcGktY2xpZW50LXJldHJ5LWJhY2tvZmYtaml0dGVyLXB5dGhvbi1yZXF1ZXN0cyIsInJlZmVyZW5jZSI6IjhlazdxNnF4OU50NG1hQzNlUVM1b3BuSnZqU2NhZnIyWkVuRWo2OU5VR3ZoIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI3NzE0MDE1OTd9.w67FaVQKyakEzwBlMks57L5Ar-9vApio1aMQCJvx9GI"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92716",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:api-client-retry-backoff-",
          "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": "95584",
          "reference": "E3pnsA2Mcbw214wj62DghaRgshB8XdVZ42XrP7ogs6DK",
          "session": "eyJhcnRpY2xlSWQiOiJhcGktY2xpZW50LXJldHJ5LWJhY2tvZmYtaml0dGVyLXB5dGhvbi1yZXF1ZXN0cyIsInJlZmVyZW5jZSI6IkUzcG5zQTJNY2J3MjE0d2o2MkRnaGFSZ3NoQjhYZFZaNDJYclA3b2dzNkRLIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkyNzE2LCJleHAiOjE3OTI3NzE0MDE1OTd9.3bPqd9DtukYbbXDGAOiemM-NnIZaVk3jyETSQ2WxzzY",
          "solUsdPrice": 104.62
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Retry HTTP calls safely in Python - exponential backoff, full jitter, urllib3 Retry, Retry-After, POST and idempotency keys",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "Tested retry design for HTTP clients: exponential backoff with cap and full jitter, requests plus urllib3 Retry, status_forcelist, Retry-After, why POST is not retried by default, allowed_methods=None risks, and idempotency keys.",
              "c": "Self-Hosting & Infra",
              "id": "api-client-retry-backoff-jitter-python-requests",
              "t": "API Retries Done Right in Python: Exponential Backoff, Full Jitter, Retry-After and Idempotency"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "body": {
                      "description": "Main body text",
                      "type": "string"
                    },
                    "c": {
                      "description": "Category of the guide",
                      "type": "string"
                    },
                    "id": {
                      "description": "Identifier of the record",
                      "type": "string"
                    },
                    "license": {
                      "description": "License identifier",
                      "type": "string"
                    },
                    "price": {
                      "description": "Price",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "t": {
                      "description": "Title of the guide",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "t",
                    "c",
                    "body"
                  ],
                  "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/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-23T16:01:21.647Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T16:01:21.432Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/api-client-retry-backoff-jitter-python-requests",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "python",
      "requests",
      "retry",
      "backoff",
      "api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Retry HTTP calls safely in Python - exponential backoff, full jitter, urllib3 Retry, Retry-After, POST and idempotency keys"
}

What the leaf hashes

{"body":"23dc17103a15650aeee34d99770f7184bb814cf2a2b950edfe24ba328cfbbb5f","id":120060,"kind":"listing","method":"baseline/1","observed_us":1793025617163705,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/api-client-retry-backoff-jitter-python-requests","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. 0x492d3be555e85621850d606bfb265441fc9c52409b7fdb5b126d98f4054db2a3
  2. 0x9ef55744d6fb871d5d84069c2a0a5727a374d329907233f8b9f5abd01f076d34
  3. 0x77000575c814c86f738356c559414da6df4b3def5cea06fcaa38f88a819c8fdf
  4. 0x8fcf0b101c0cb415b573d6cad10c3900001f3c60b2cbb6b0ea84c0bf84741cfb
  5. 0xb2c995168793dd7ba0443a897da9013cfed3dcdacad80c9324d9c9186c23e64e
  6. 0x8d22ff6f1457b29f50c3b984cb4cddf078feda1288b6f3ed4233e5f67b85fe0b
  7. 0x5db15b0f640db361ce4e7fd848035fdd06ce7a9723f2076ec1d421c089e7802c
  8. 0xc7030292d06775814630ce84a84f8aace027d708bd27b383e364a8af1e25fd7f
  9. 0x7541cd1918e38f4a0f6add627a7846433315f4898be3452c4fe4e6121a5b9747
  10. 0x1c31b9fd609755e3d960fab27bd2b1eb3a2104f15e3f9261a56d30e3613f4c01
  11. 0xa40c09a143bc388ccac821ec3854902941c513470a57a806c98060a6d63aedf9
  12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
  13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
  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