Evidence row 548533

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://store.cryptotradecalc.com/api/timestamp"
    ]
  ],
  "name": "store.cryptotradecalc.com/api/timestamp",
  "owner_address": "0x7849ed8a93815fe26a38b5368498b4fc6210be8a",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x7849Ed8A93815Fe26a38b5368498b4Fc6210Be8a",
        "scheme": "exact"
      }
    ],
    "description": "timestamp-oracle: Fresh Unix timestamp (seconds since epoch) as signed integer JSON.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:13:31.59Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-27T10:13:30.763Z"
    },
    "resource": "https://store.cryptotradecalc.com/api/timestamp",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "timestamp-oracle: Fresh Unix timestamp (seconds since epoch) as signed integer JSON."
}

What the leaf hashes

{"body":"d5f41f27e123aabbfb345b32a328c7651a788c5a053bfee4163bad20a0ec36d1","id":548533,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133310518077,"prev":453384,"subject":"x402_bazaar:https://store.cryptotradecalc.com/api/timestamp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xc3493146074e038c459ad6dafcaf7ef28a5e0ba5c1aa1a1b10fe4c60ba13dc04
2. 0x18e948d087132a38b48414403d5ed582d24adeba2927a414164c9d2e628fb7fe
3. 0x13cba72906bc94c7dd4ecd06072cdb307e53218544d84cb4fb8dcaa983351a4b
4. 0xd308d6b4f93dd8830b716ec659fb7e6079c7eda91b9131c6b09d7ab62c9b24bb
5. 0xc9250681322eeb1cfd2729ff108702cbb2c3a055eb70944fdc58b7f40e319196
6. 0x8062e06d4a027a9e9cbf25f6449a9a228b848fc098c69f213e90121f402ad0cc
7. 0x97c150acfcfb49954ce9c4043a2d93fbbc90b8916ab0f4744e19246422fb6686
8. 0x075d75954aee2723e31d0c4d61d9958d5cac93c4d6514613a040757b2d56f5d8
9. 0x4b89e006376aee3a49e75d5c25cb11d7d7ea481e3b9c5d695589436379599262
10. 0xd8334c3990f415a10f80380be5148a1928931c1246120ffbbbd52e9399056159
11. 0x1508fd39a92015f2675aefede1d322b337358ef9cb1fdde46c7fa9276f6b3d5f
12. 0x09c148bbe62d15164b3840b798915bcd800d49ae022a1820cd04cc89b1b4e59a
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4