Evidence row 120888

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

Kind: listing
About: source_record x402_bazaar:https://saylorinnovations.com/api/x402/uuid
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 1e828f25291f5d8829e098df2cfa2dd889eed9180a352f7ed9247f2bec6e06a6
Leaf: 0x7cbb3e0eaf33c489c4a1768e279c119b82d1534506b562450cd0c92afa78b56e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/x402/uuid"
    ]
  ],
  "name": "Saylor Innovations x402 Utilitie",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:x402util:uuid",
          "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:x402util:uuid",
          "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:x402util:uuid",
          "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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:x402util:uuid",
          "reference": "EcyNVGSHkywM6CvM7MYsJFQfUdP5Mwc26ww57ciBTX4x",
          "session": "eyJhcnRpY2xlSWQiOiJ4NDAydXRpbDp1dWlkIiwicmVmZXJlbmNlIjoiRWN5TlZHU0hreXdNNkN2TTdNWXNKRlFmVWRQNU13YzI2d3c1N2NpQlRYNHgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQwODUxODc4OX0.0gekNmVyWViPTxl8JySceQisl_alcd_0Tazbvi__l34"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:x402util:uuid",
          "reference": "77ctZ64faxg2j2Brs3mWiP6sMguWURb7Kq7Ksz7k1smU",
          "session": "eyJhcnRpY2xlSWQiOiJ4NDAydXRpbDp1dWlkIiwicmVmZXJlbmNlIjoiNzdjdFo2NGZheGcyajJCcnMzbVdpUDZzTWd1V1VSYjdLcTdLc3o3azFzbVUiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQwODUxODc4OX0.iUcD4FhBG4jRabwTagIj8JbSRyEV9AMpAoAAd0uwkEA"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92671",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:x402util:uuid",
          "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": "95538",
          "reference": "Fsn3Czy4Y4am6xDgbQBLKDe3yTByWWi2SMJYrQQQfbad",
          "session": "eyJhcnRpY2xlSWQiOiJ4NDAydXRpbDp1dWlkIiwicmVmZXJlbmNlIjoiRnNuM0N6eTRZNGFtNnhEZ2JRQkxLRGUzeVRCeVdXaTJTTUpZclFRUWZiYWQiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTI2NzEsImV4cCI6MTc5MjQwODUxODc4OX0.Ahcd2bdgyBF2pg1S3kCkTciJLDmUVzlyabtimIUoeW8",
          "solUsdPrice": 104.67
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Random UUID v4 generator - 1 to 20 values from a cryptographic random source",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": "3"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "uuids": [
                "3f2a9c1e-5b7d-4a60-9c3e-1d2f4a6b8c0e"
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "count": {
                      "description": "optional, 1-20, default 1",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "count": {
                      "description": "Number of items returned",
                      "type": "number"
                    },
                    "uuids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "count",
                    "uuids"
                  ],
                  "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": "2026-10-19T11:13:18.835Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T11:13:18.613Z"
    },
    "resource": "https://saylorinnovations.com/api/x402/uuid",
    "serviceName": "Saylor Innovations x402 Utilitie",
    "tags": [
      "x402",
      "test",
      "utility",
      "uuid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Random UUID v4 generator - 1 to 20 values from a cryptographic random source"
}

What the leaf hashes

{"body":"1e828f25291f5d8829e098df2cfa2dd889eed9180a352f7ed9247f2bec6e06a6","id":120888,"kind":"listing","method":"baseline/1","observed_us":1793025618973743,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/x402/uuid","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).

0x7cbb2376e530c023ddd818951daed50cfcdd84d06b5c23ac168b886d9c400070
0x0de396b69007b3d990a1a6bf5e92159087aa3cc676e3f3e4ed014928792a9b6f
0x190bdd1753919fa090dfbe68200f3fea357c446cb50dd53f908866242089d7fa
0xf07b3cd1bc07857767abb1b82d80776138e24f181964b0aac3ffaceec218a622
0x004946f18c2b5cffd04834144496539972c8cb43598d13afcb8fa44df2fb3ad1
0xf1717953972400870aa08d4c3853b7399a05529cb466aea8132ca2a06faae1eb
0x801745f5ab0105a3742f1eace24f4f94abd01b6a5e69f3a1c9ef2a7eb1c93e29
0xbc95e5969ad85e8a0b03139c83f007745cecb6b43af6c7f4e04bd358d4205bdc
0x4a59d37e87bfd6c1a73e2e46dcb996811787999807c2354410bd4889fc4c24ba
0xf0ed0e925a8a7da0329fe426ca59f504fc92f30b2f6f61a5828a859ff9cdb816
0x05b818019343d04f2973b36329a447f88301721891653961b94822610edda553
0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON