Evidence row 1531952

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://instructional-decision-engine-x402.vercel.app/archive/bibliography"
    ]
  ],
  "name": "NovaPath",
  "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": "Create a source-linked bibliography for up to five Internet Archive references, preserving reported creators, publication years, stable identifiers and unknown license status. Markdown or JSON with observation provenance; no copyrighted full text is reproduced.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "format": "markdown",
              "identifiers": [
                "teacher-education_202212",
                "readingsinhealth0000vari"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "format": {
                      "enum": [
                        "markdown",
                        "json"
                      ],
                      "type": "string"
                    },
                    "identifiers": {
                      "items": {
                        "pattern": "^[A-Za-z0-9][A-Za-z0-9._-]{0,199}$",
                        "type": "string"
                      },
                      "maxItems": 5,
                      "minItems": 1,
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "identifiers",
                    "format"
                  ],
                  "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": "2026-10-31T00:58:05.442Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T00:58:05.27Z"
    },
    "resource": "https://instructional-decision-engine-x402.vercel.app/archive/bibliography",
    "serviceName": "NovaPath",
    "tags": [
      "internet-archive",
      "research",
      "bibliography"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Create a source-linked bibliography for up to five Internet Archive references, preserving reported creators, publication years, stable identifiers and unknown license status. Markdown or JSON with observation provenance; no copyrighted full text is reproduced."
}

What the leaf hashes

{"body":"62a72b22aedee0f3b095b4da7fc29686167ec59a175bdbd27bff11ec02fbf2a0","id":1531952,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793473467547649,"prev":null,"subject":"x402_bazaar:https://instructional-decision-engine-x402.vercel.app/archive/bibliography","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. 0x0df73ef0d4f6a9a6a0afe8dd19efacab4627dc0a0a97e912372c88857cf9f9be
2. 0x3980aec37ed96da31a5f6e3154116b0d925a379503f4ec09548d0bc4d11fa6a7
3. 0x121bd752605ad2e7cc0f7b041119344a7022511bd69c878774c7fc12b8318ab5
4. 0xf47895cb57645c2f6ed4f1ec3916f9e06b28c8bf982c915b1e7767960321de1c
5. 0x866cbfdc1f2c5113a2ff74c86d09b3d95c110befefdfcce8f2e46df3ee2bd03f
6. 0xb4067a6274282087c722cd6dca556fc5d7c35016fff0b99272b8cec08ea2cf4e
7. 0x8d2e4352c6035808efd3c939fad3ca43ae82cd123506c7e8902ac20952f9ca13
8. 0x8e2d570e2682090dfaf0216b4c3d3b5fd0b657f505e33c9febced15401d98b20
9. 0xb847f84670a4fdbb5621ba90910e6b7afb72aba6d0f942abaa8b7526701e2e95
10. 0x753e918e5e11afade2be2da4758499c1358b25df006321a9268058c294743102
11. 0xa21c961f23229786e92be71f698ff2cde4e154bb44d8ce532a0819887f2dd812
12. 0xa115d2aa4bb5cf8cb7b5b8814b35ba5ccc89943ee285b442443e4a06f973efa5
13. 0xcb2cb28a33039aae566babd0a0b4f4ee907393fb561a2e3c876f0270ee9a2350
14. 0x5f01ce2f7be13617b127cba8dfc54bc12d54dc74dbe1632c8104af22668fd4f3
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0