Evidence row 1532291

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://instructional-decision-engine-x402.vercel.app/workshops/tasks"
    ]
  ],
  "name": "instructional-decision-engine-x402.vercel.app/workshops/tasks",
  "owner_address": "0x6b62673ccbe35ff0dc68490c7ca576334e0d607e",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6B62673cCbe35ff0dc68490c7Ca576334e0D607e",
        "scheme": "exact"
      }
    ],
    "description": "Retrieve selected numbered tasks plus required source records and separate answers from one of 500 fictional seasonal cases. Select exact tasks before paying; shared models and routines are disclosed.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "caseId": "NPWD26-M07-15",
              "taskNumbers": [
                1,
                2
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "caseId": {
                      "pattern": "^NPWD26-(?:M(?:0[1-9]|1[0-2])|D0[1-4]|R0[12]|J0[12])-(?:0[1-9]|1[0-9]|2[0-5])$",
                      "type": "string"
                    },
                    "taskNumbers": {
                      "items": {
                        "maximum": 6,
                        "minimum": 1,
                        "type": "integer"
                      },
                      "maxItems": 6,
                      "minItems": 1,
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "caseId",
                    "taskNumbers"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T21:17:53.697Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T21:17:53.526Z"
    },
    "resource": "https://instructional-decision-engine-x402.vercel.app/workshops/tasks",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Retrieve selected numbered tasks plus required source records and separate answers from one of 500 fictional seasonal cases. Select exact tasks before paying; shared models and routines are disclosed."
}

What the leaf hashes

{"body":"7850f778d234ed5dfca0c366d887301a85e49951fc45a0f36ccb1406871d3e96","id":1532291,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793473475946011,"prev":null,"subject":"x402_bazaar:https://instructional-decision-engine-x402.vercel.app/workshops/tasks","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. 0xa47d7820e658b1810c0a8bd7712a86da427164560ae9897466991c890801df52
2. 0x026a02c2534ef927e7a196fd55ba1616aa76679c8196a4b208f12abbf71fae91
3. 0x88b09b8f84af1220d5014732112d8ff88591c972327f56940d5af734ba84176a
4. 0xd95172c0fcd9d1b016800c36653b4a87023ee5ca5fefd73e7ccb4ca6f1a846de
5. 0x92a5cdfb6aee7e669ba6d767ef65a35aaad737cdfed41aebaf3f98287fc0f1a3
6. 0xa4db03f1f9099cf4e4b992730d956a80cc9d2bbc5205d723409cfa1e1618166a
7. 0x7ef64ed43c0b5e4baae0bd50b8ffbffa0b5c2365155a5cc408d269d215a425a2
8. 0x7761a821824ea4337e0c623802bf2f4f2cf7829ec903db440706f1c961caaa7a
9. 0xfcde0adc145799bd45f2b8a367e80fe52225678648415d4b7d740159da438a1a
10. 0x476a9bedc80fbfe074aec7edd99971c5ba23b82308e15044f94f0f36862c533b
11. 0x142f03adce6f79b8bb74c9349a392f120e5b152ac1f3abf8b912b0f58e6ad7a9
12. 0xc8a5be2d6d9115610947f6b032a85ced3901fcb1cd447098d4fe7cf638150636
13. 0xbb0d6a5ef6d4a77fc1050819b844be89ee9cf38eab6c5c080e1d03a1935ecfc3
14. 0xfc4e63034c3e47c4cc19a85dbacdb421762119a58090dfe0c71e13f11f75db19
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0