Evidence row 1260733

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": "2026-10-25T18:43:50.349Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T18:43:50.16Z"
    },
    "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":"816b90902479c894e85bf5e884e3f36133464597e54e2bd3a9f74b30e13d3621","id":1260733,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385485626349,"prev":75398,"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 2026-10-30 (243099 rows).

1. 0x978aa31254048597d1f6b2b521bf56e4fb7ddc46172b16e4cb134736f8cce460
2. 0x4c9f1604a0a28b03577a097551f88c67080202761bfe16f8755d56e9432ba3e9
3. 0xbcd87f03aa380c95c997b3ee9282861c0cfcc67c92a701412efc7e096c90468b
4. 0xaa3df61862aed4a567e1027900d935503dc6581330b34cf3ccf19a80d59e0eba
5. 0x9f00290ae600379941210b83a75a800285ce060e134ba85cf5d25a6ec2cf9efc
6. 0x2c2fd20e8f174cf76ad445ec9ab2069ac8f5ee156e7b35011076dacbda1e456a
7. 0x016ef93929d84c48912be27f0086c6d36275f7b47fc22bf18f1b74280fff112b
8. 0xe8478f9c28db6edef26240c4d8563d63699abc9adff9bab6311bf7ae9bf045db
9. 0xdef47b8bd04966de6bcef8815b52830101973f49bd0a28d48d1102529d28268c
10. 0x58e5a20ddfd5a4d4ab1b9a7a5e71fd8a8659c1e0e6e9a22c78b85c6398376b2f
11. 0x468f8e900e2989830f9912a220ad18451ddc1639f3eeea4abc4e0645ed980682
12. 0x339d16b68fbe5deb92649d3e4cc2acad2a3981d6eb1109da459adcf692cb4a7d
13. 0x372bfcb87c70d97986e37af71499d7b740f99f47cd88d8135364b140161cc6d3
14. 0x7db51cf84d41f2e07ef904fc1b6aeb666b2a2762de18ed12ac42d5938eb28dc2
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861