Evidence row 119922

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://saylorinnovations.com/api/fun/joke
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: f6df0aea84fcf012e2922a1cfda15f32b8e61ff7e5ab2fb8bd5ca433cd80bf9c
Leaf: 0x42696fea7152489e0a92199ede35971ce7331fa12750935fe703e6aee713793e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/fun/joke"
    ]
  ],
  "name": "Saylor Innovations Utilities",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:fun:joke",
          "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": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "memo": "saylor:fun:joke",
          "reference": "Cs8RUrvuV1hWhPWUPv441Pb9qj3jPSLbCGK9d7qrUZTQ",
          "session": "eyJhcnRpY2xlSWQiOiJmdW46am9rZSIsInJlZmVyZW5jZSI6IkNzOFJVcnZ1VjFoV2hQV1VQdjQ0MVBiOXFqM2pQU0xiQ0dLOWQ3cXJVWlRRIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTIxNzg3NTk3OTh9.8wsY9VwDLdlrrdkARAsuUv8aM6XadZM3YTUM5PWj2Qk"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Random clean joke - setup and punchline as separate fields, drawn from a curated family-friendly pool with a rating field",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "pool_size": 25,
              "punchline": "An impasta.",
              "rating": "clean",
              "setup": "What do you call a fake noodle?"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "POST",
                    "PUT",
                    "PATCH",
                    "DELETE",
                    "HEAD"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "generated_at": {
                      "description": "Time this response was generated (UTC)",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "pool_size": {
                      "description": "Number of jokes the service draws from",
                      "type": "number"
                    },
                    "punchline": {
                      "description": "The punchline",
                      "type": "string"
                    },
                    "rating": {
                      "description": "Content rating, always clean",
                      "type": "string"
                    },
                    "setup": {
                      "description": "The set-up line or question",
                      "type": "string"
                    }
                  },
                  "required": [
                    "setup",
                    "punchline"
                  ],
                  "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": "2026-10-16T19:24:00Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-16T19:23:59.436Z"
    },
    "resource": "https://saylorinnovations.com/api/fun/joke",
    "serviceName": "Saylor Innovations Utilities",
    "tags": [
      "random joke",
      "humor",
      "dad joke",
      "x402 test",
      "utility"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Random clean joke - setup and punchline as separate fields, drawn from a curated family-friendly pool with a rating field"
}

What the leaf hashes

{"body":"f6df0aea84fcf012e2922a1cfda15f32b8e61ff7e5ab2fb8bd5ca433cd80bf9c","id":119922,"kind":"listing","method":"baseline/1","observed_us":1793025616944620,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/fun/joke","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON