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Evidence row 120206

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/kb/node-event-loop-blocked
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
60f630a8bdb53d6cb0035de4f3333caf466dfd44798c09cd278fa3c005ba6957
Leaf
0x15e0e28ff34d3c049068a53a84150f4c837f22121cde00f4704c297c3642864d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/node-event-loop-blocked"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:node-event-loop-blocked",
          "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:node-event-loop-blocked",
          "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:node-event-loop-blocked",
          "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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:node-event-loop-blocked",
          "reference": "9GLbid8eSRkL4b7BXonjJvzorFeD9ZivLucTZ8AHjxBA",
          "session": "eyJhcnRpY2xlSWQiOiJub2RlLWV2ZW50LWxvb3AtYmxvY2tlZCIsInJlZmVyZW5jZSI6IjlHTGJpZDhlU1JrTDRiN0JYb25qSnZ6b3JGZUQ5Wml2THVjVFo4QUhqeEJBIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI4NDYxNTc3MzF9.VG2Yi1USsMGeQruB-bub39Ds2xyG4PG3SpHgdTvPSEY"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:node-event-loop-blocked",
          "reference": "EsVpXbULMtnT9y6dmyzEkY85Biwqz9uM9Vmk4Sd8Ske3",
          "session": "eyJhcnRpY2xlSWQiOiJub2RlLWV2ZW50LWxvb3AtYmxvY2tlZCIsInJlZmVyZW5jZSI6IkVzVnBYYlVMTXRuVDl5NmRteXpFa1k4NUJpd3F6OXVNOVZtazRTZDhTa2UzIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI4NDYxNTc3MzF9.htDRdSnLtsDtp8fcSyCnjjfUTkqV7-9Qnu9RmaVNh4w"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "95584",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:node-event-loop-blocked",
          "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": "98541",
          "reference": "AUPDMXts4MjzvYM3QaSErWARYv89USrqgPdGGQbjnXKp",
          "session": "eyJhcnRpY2xlSWQiOiJub2RlLWV2ZW50LWxvb3AtYmxvY2tlZCIsInJlZmVyZW5jZSI6IkFVUERNWHRzNE1qenZZTTNRYVNFcldBUll2ODlVU3JxZ1BkR0dRYmpuWEtwIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjk1NTg0LCJleHAiOjE3OTI4NDYxNTc3MzF9.WHcGGa6sqMO58TKASeeV5Sgsgg63gHDhpeC3TTcM9og",
          "solUsdPrice": 101.48
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Find what blocks the Node.js event loop - loop delay, CPU profile, sync JSON and regex, worker threads",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "A method for diagnosing a blocked Node.js event loop: measure event loop delay, capture a CPU profile or flame graph, find synchronous JSON, regex, crypto and file calls, and move heavy work to worker threads, streams or a queue.",
              "c": "Self-Hosting & Infra",
              "id": "node-event-loop-blocked",
              "t": "Find What Is Blocking the Node.js Event Loop"
            },
            "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": "2026-10-24T12:47:17.772Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T12:47:17.466Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/node-event-loop-blocked",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "nodejs",
      "event-loop",
      "latency",
      "profiling",
      "performance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find what blocks the Node.js event loop - loop delay, CPU profile, sync JSON and regex, worker threads"
}

What the leaf hashes

{"body":"60f630a8bdb53d6cb0035de4f3333caf466dfd44798c09cd278fa3c005ba6957","id":120206,"kind":"listing","method":"baseline/1","observed_us":1793025617487861,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/node-event-loop-blocked","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. 0x15e094f130f9c371eeb52a53460e245179bae601836f709439fc51f9340d0f47
  2. 0xc03faa2e935e3831924e74d0af89b71f1b1143bf434e89bae751791a84647d82
  3. 0x603b52548cbc3e6a7588186ee17134fb82ebe7a14b1a41d4d86cd3651c8f3e49
  4. 0x1d78901095aa9029fd7a438b93911f13323d9155491544b1f3817dec64d256d4
  5. 0x7ae9e3fa3f4ea92c30dbc5680067f3a0d780d317ca2987f3ba8f8a6e4184da9c
  6. 0xb56e35b6accd0ee8bba8c13388ec1040da8fa2a50d41c2234c841d2e8b2a8629
  7. 0x48af8a81be547308a493ae5f8229a433ca7488076f935041e829dd0f295ba807
  8. 0xc81d13e5811720d5b0a8a8b81c4d861dee9859cb8de2008076c4ac33db18b648
  9. 0x5965500b4029c29b1e9ce2b8cd1210df5f2964bfe34af3b2100a483bc8fed6fe
  10. 0xf07924bfe64608cf73375c37b3056cb1fc69bc858212ca3c92cf95f1a82935f6
  11. 0xed7aa4f0a0c93f40e8bb99589e49cbc6da4d8144091eb55a8707245d7bf94039
  12. 0x856fd0d049baa5f07cd2d5d524b40c994bed22cb46ea15af4cc075b3f3f3d444
  13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
  14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
  15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON