Evidence row 75043

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://factstamp.agentrails.workers.dev/bulk"
    ]
  ],
  "name": "factstamp.agentrails.workers.dev/bulk",
  "owner_address": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32",
  "raw": {
    "accepts": [
      {
        "amount": "120000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Check a whole bibliography or dependency manifest in one round trip, before you rely on the list: up to 12 items at a flat US$0.12 — 1 cent an item, against 2 cents for the same lookups one at a time. Every item is answered by the same door that answers a single call, so the verdicts cannot disagree. Pay per call here, or redeem a prepaid pack code (one answer-pack credit per three items, up to 25 items on that rail).",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "120000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32",
        "resource": "https://factstamp.agentrails.workers.dev/bulk",
        "scheme": "exact"
      }
    ],
    "description": "Check a whole bibliography or dependency manifest in one round trip, before you rely on the list: up to 12 items at a flat US$0.12 — 1 cent an item, against 2 cents for the same lookups one at a time. Every item is answered by the same door that answers a single call, so the verdicts cannot disagree. Pay per call here, or redeem a prepaid pack code (one answer-pack credit per three items, up to 25 items on that rail).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "citations": [
                "10.1038/nature12373",
                "10.1016/s0140-6736(97)11096-0"
              ],
              "packages": [
                "express@4.18.2"
              ]
            },
            "bodyType": "application/json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "answered": 3,
              "by_verdict": {
                "retracted": 1,
                "verified": 2
              },
              "items": 3,
              "paid_with": {
                "list_price_usd": 0.12,
                "rail": "x402_pay_per_call",
                "settlement": {
                  "success": true
                }
              },
              "receipt_url": "https://factstamp.agentrails.workers.dev/r/c41e77b2aa90d613",
              "results": [
                {
                  "input": "10.1038/nature12373",
                  "tool": "verify_citation",
                  "verdict": "verified"
                }
              ],
              "unreadable": 0
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "input": {
              "additionalProperties": true,
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "const": "application/json"
                },
                "method": {
                  "const": "POST"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": true,
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input",
            "output"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-05T21:24:32.416Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-05T21:24:32.236Z"
    },
    "resource": "https://factstamp.agentrails.workers.dev/bulk",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check a whole bibliography or dependency manifest in one round trip, before you rely on the list: up to 12 items at a flat US$0.12 — 1 cent an item, against 2 cents for the same lookups one at a time. Every item is answered by the same door that answers a single call, so the verdicts cannot disagree. Pay per call here, or redeem a prepaid pack code (one answer-pack credit per three items, up to 25 items on that rail)."
}

What the leaf hashes

{"body":"bdac049c7e3b50c680922ba850e7f5d3db18504376fb5932804eace78bbcd739","id":75043,"kind":"listing","method":"baseline/1","observed_us":1793025489981091,"prev":null,"subject":"x402_bazaar:https://factstamp.agentrails.workers.dev/bulk","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. 0xfe918d657623ab1bb5db9105704e38d003381c2ca1107eb096f3f8b0f9884e67
2. 0x602d9f2d8a3e05d6268739dbfa227787df088ec302770940fcbf5cdc656ee869
3. 0xa7336845b2c134e7cd05ec2c26b70c655f7e13ebcd81a11bca6e7e8370304289
4. 0xf3e81f2f588a3f3e3d2bf584c3f614192b0942575ccec06103655b8d541f0625
5. 0xdafe8156cb3e8d3aca6ead6bc2266c202e43c59fc15aabda8be172ec47bf5434
6. 0x379ba0076a838d199053aeafe404ccd85b37cb1792cb8d1319947d381477218d
7. 0x9dc312190f7625bb9c09983f072350249af65587413df740a168502ca413b3b7
8. 0x6d76ea8047c9a89cab3dae4b8ff217a79391cb1c7b4bb8532525fd1e3d5d6352
9. 0x019fd7af1a64758c919538de9f4625c6d2637677a31ff3b1e253e94fb2fa13c5
10. 0x00c341aeb80a00104d56004ab29bf5c11c63c2f7f5da2e77fcaa830f7ba9da8a
11. 0xf0e3125fdb80cc0fbd2c1ed68c94834a74c7a387a89a1ab6de49183f24f78649
12. 0xbd264414f726ecec85a6b231446a7d5db56b5a61f8c3f471b7913d982daa291d
13. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae