Evidence row 1506619

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://flat-rate-llm.kikoribera03.workers.dev/v1/util/uuid"
    ]
  ],
  "name": "UUID v4 generator",
  "owner_address": "0xc210ea7d5692a6401adf25bbcb7acde9cdb7e9ff",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent needs ids that must not collide: cryptographically random UUID v4s, up to 100 in one call, straight from the platform CSPRNG. For idempotency keys, request ids and correlation ids, where a repeat means a duplicate charge or a lost trace. Do not use for a secret or a password (/v1/random/password reports its entropy) or for a hash (/v1/util/sha256).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": 3
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "uuids": [
                "3f2b0c9a-1d4e-4f6b-8c2d-9a7e5b1f0c34"
              ]
            },
            "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": "How many to generate, 1-100. Defaults to 1.",
                      "type": "number"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T18:46:38.979Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-30T18:46:38.823Z"
    },
    "resource": "https://flat-rate-llm.kikoribera03.workers.dev/v1/util/uuid",
    "serviceName": "UUID v4 generator",
    "tags": [
      "uuid",
      "uuid v4",
      "guid",
      "request id",
      "idempotency"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs ids that must not collide: cryptographically random UUID v4s, up to 100 in one call, straight from the platform CSPRNG. For idempotency keys, request ids and correlation ids, where a repeat means a duplicate charge or a lost trace. Do not use for a secret or a password (/v1/random/password reports its entropy) or for a hash (/v1/util/sha256)."
}

What the leaf hashes

{"body":"a25a53d5aa64b6c2785eacf590627b7b714df55a3fea3b5d47f5c977136c264a","id":1506619,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472654397623,"prev":1260733,"subject":"x402_bazaar:https://flat-rate-llm.kikoribera03.workers.dev/v1/util/uuid","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x6794afb1c27f11f5edde9dad3f9d9a81652d4229c400c9be37281c70e51ea0fe
2. 0xa1fdb437b0bc75cbd8f948d9f6a0b6a1e820fa2ef560b33383f9d1f02fd25d2b
3. 0x9edbacf533c966f1b480f1054deb28916dce9225c69caf80d766a6fe5bfc9221
4. 0xe133e39aa38ec35828e54a4197703dc956c5be2e149a85ad402d6b0df2dcd02a
5. 0xf5e8b6e70471ab82636ae7728891dea944f4c50c4f2662d92e656f02bf9e8e49
6. 0x22db18dd61249c889970e3da527495f3cd14a875dd332ce3922216a00530ebe0
7. 0xdbecc1fb21daf41de837c6868519ae12047c3347e8e21c3b378deac9776df896
8. 0x3084dbca05c7451f5e5da9e245c3bb197a66b433a2e7021e26f10883377e1654
9. 0x310e8eea577421a835bdf159862bc31bf01774c75b2a68789ab358517607f2bc
10. 0x5420b706df6ad575eba8e7272e4694850e5353041ae827a562d50786011915ed
11. 0x559b47db507d0b6994af177f3131df0096495d9fff34d9ef2b9ec66fc3a2d39c
12. 0x7ef27bd19b231c997b27d3b108a41128fea28af44414f09aa5778e54bb175824
13. 0x505b30d0d228fd70e562b7e7b87fcd2b0a915da70dfd94681a271d95ffbe404c
14. 0xac33b3310fc2d37a4e515e0c8775d4934592f3daaaf032bec47eccec8e01df31
15. 0xda82240eda32eeb01478d5898342fa15b35b5682549347c7a22660b37913617f
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0