Evidence row 119646

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/dev/uuid-inspect"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:uuid-inspect",
          "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:datadesk:uuid-inspect",
          "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:datadesk:uuid-inspect",
          "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:datadesk:uuid-inspect",
          "reference": "12T7iyxdm39iM9UYGhWewkSnNHaeC1e8jo8qv6F7vkk4",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp1dWlkLWluc3BlY3QiLCJyZWZlcmVuY2UiOiIxMlQ3aXl4ZG0zOWlNOVVZR2hXZXdrU25OSGFlQzFlOGpvOHF2NkY3dmtrNCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDI2ODE2MzY3fQ.YKTb34baB6jovsCrGvagjcjBfjS04E05b0KNKOLgbAk"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:datadesk:uuid-inspect",
          "reference": "FooKYhiWpKi8F4dvvp9HqToNTeU7UdfjWzazePhxzSZ7",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp1dWlkLWluc3BlY3QiLCJyZWZlcmVuY2UiOiJGb29LWWhpV3BLaThGNGR2dnA5SHFUb05UZVU3VWRmald6YXplUGh4elNaNyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDI2ODE2MzY3fQ.dESijf7zPpO7A4N6FbA3ubFbIBqu6lmG4KvPZWPe7h8"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92742",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:uuid-inspect",
          "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": "95611",
          "reference": "5cpgZmya2NY5r8osfR6wYxNrdbwGFyjARxsauj6Fp1d6",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp1dWlkLWluc3BlY3QiLCJyZWZlcmVuY2UiOiI1Y3BnWm15YTJOWTVyOG9zZlI2d1l4TnJkYndHRnlqQVJ4c2F1ajZGcDFkNiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5Mjc0MiwiZXhwIjoxNzkyNDI2ODE2MzY3fQ.hFcIDL01fjVNiAMvQttmE9iIXDux0euTIlHC-u-bEso",
          "solUsdPrice": 104.59
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Decode a UUID - version, variant, and the embedded timestamp and node for v1, v6 and v7, plus nil and max detection and URN, braced and bare formats",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "uuid": "C232AB00-9414-11EC-B3C8-9F6BDECED846"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "braced": "{c232ab00-9414-11ec-b3c8-9f6bdeced846}",
              "kind": "time-based (v1)",
              "no_dashes": "c232ab00941411ecb3c89f6bdeced846",
              "node_is_multicast_random": true,
              "node_or_mac": "9f:6b:de:ce:d8:46",
              "sortable_by_time": false,
              "source": "RFC 9562 UUID layout",
              "timestamp": "2022-02-22T19:22:22.000Z",
              "uppercase": "C232AB00-9414-11EC-B3C8-9F6BDECED846",
              "urn": "urn:uuid:c232ab00-9414-11ec-b3c8-9f6bdeced846",
              "uuid": "c232ab00-9414-11ec-b3c8-9f6bdeced846",
              "valid": true,
              "variant": "RFC 4122 / 9562",
              "version": 1
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "uuid": {
                      "description": "UUID in any common form (dashed, braced, urn or bare hex)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "uuid"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "braced": {
                      "description": "Braced form of the UUID",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "kind": {
                      "description": "Kind of record",
                      "type": "string"
                    },
                    "no_dashes": {
                      "description": "No dashes",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "node_is_multicast_random": {
                      "description": "Node is multicast random",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "node_or_mac": {
                      "description": "Node or mac",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sortable_by_time": {
                      "description": "Sortable by time (UTC unless a time zone is given)",
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": "string"
                    },
                    "timestamp": {
                      "description": "Time of the record",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "uppercase": {
                      "description": "Upper-case form of the UUID",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "urn": {
                      "description": "URN form of the UUID",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "uuid": {
                      "description": "UUID in canonical lower-case form",
                      "type": "string"
                    },
                    "valid": {
                      "description": "True when the input passed validation",
                      "type": "boolean"
                    },
                    "variant": {
                      "description": "UUID variant",
                      "type": "string"
                    },
                    "version": {
                      "description": "Version identifier",
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "uuid",
                    "valid",
                    "version"
                  ],
                  "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": "2026-10-19T16:18:16.403Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T16:18:16.099Z"
    },
    "resource": "https://saylorinnovations.com/api/dev/uuid-inspect",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "what version is this uuid",
      "extract the timestamp",
      "decode a uuid v1 date and mac",
      "is this a valid uuid",
      "uuid variant and layout"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Decode a UUID - version, variant, and the embedded timestamp and node for v1, v6 and v7, plus nil and max detection and URN, braced and bare formats"
}

What the leaf hashes

{"body":"3925471801fb503487eb322029a3964ffecf5fa30aacc710d996ad61dbf0bc17","id":119646,"kind":"listing","method":"baseline/1","observed_us":1793025616260673,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/dev/uuid-inspect","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).

1. 0x93626503685dda623474bc3fbb1fd53555fddd1bc5eca8e9e22b8c02cc2dc892
2. 0x6b3d42dfd6e0a937e932457d9d561f9fe84656ef4bf2ec90a360d3231e96876f
3. 0xf4645569c2025d6dd46acd3c77ff53244b53559778c18ff8a9d224110b4f84e9
4. 0x19150392992eb771c1be956c8e513361697425fe971afb439027adfb7ce7a437
5. 0xe0c51535af9a9413a854dd02f65e3199a74a6b92a9817b2d24dd17481574b71e
6. 0x252a9ebad01eb493154ce363980ba80bdf16ea9c76f701c3e6c6fdafec1a8d49
7. 0xe8bc303fe0de8f95b676ea58a82e41a5a4608a9789f605b58ca29bce87e8e528
8. 0x1cd847d00ecae0984b35e2c5ab01596ecf23b5f777d8e6890ef8f3257f537714
9. 0xf3ab634627a7a54eacde9afbed8150aecbe38beaacdc19ab2b3baf5b8ef3d60c
10. 0x578356ff984cd9d8af7804ab292b224cedc3adc7906f706cb4393c7f03af33b7
11. 0xdcd590752acb338329aec3087ddc69ef4b8fcbe0bb91a9b8e37e17c10a9dfe92
12. 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
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