Evidence row 121388

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://site.intel.rallylive.ca/site/header/expect-ct"
    ]
  ],
  "name": "response-header-expect-ct",
  "owner_address": "0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:84532",
        "payTo": "0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3",
        "scheme": "exact"
      }
    ],
    "description": "The expect-ct response header of a URL: whether it is present, its value, and a one-line reading of what the value means (or the risk of its absence for security headers). One header, one answer, for audits and monitoring scripts. $0.01 per check.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://github.com/"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "header": "expect-ct",
              "present": true,
              "url": "https://github.com/",
              "value": "…"
            },
            "type": "json"
          }
        },
        "schema": {
          "$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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-09-28T14:46:10.499Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-09-28T14:46:10.367Z"
    },
    "resource": "https://site.intel.rallylive.ca/site/header/expect-ct",
    "serviceName": "response-header-expect-ct",
    "tags": [
      "http-header",
      "expect-ct",
      "headers",
      "security",
      "website"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "The expect-ct response header of a URL: whether it is present, its value, and a one-line reading of what the value means (or the risk of its absence for security headers). One header, one answer, for audits and monitoring scripts. $0.01 per check."
}

What the leaf hashes

{"body":"53ea9fe3e5d86b16c42774569ebc0f4a43d02e6dccd3f65a00d57afdc45df627","id":121388,"kind":"listing","method":"baseline/1","observed_us":1793025619834918,"prev":null,"subject":"x402_bazaar:https://site.intel.rallylive.ca/site/header/expect-ct","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. 0xa18cb6230bf7fe7b24f3f83ff8a1b379f39ed46a9ee7ff45c611dafe04093526
2. 0x079c588c35bac9e7f777488a2a895a72bbcb15ffb9900bdf3a3784894dbedf6f
3. 0xebc061bf80de7dacdb54abacf8c6e73096f167c1dd95c897d5a93e84a3133d31
4. 0x4e708d25062d373345bf7c9e4cc34b242c962741c8a07a49020e2cc283762882
5. 0x638aff4a38e8e40b4476ab6028c31eb8ef4813a172c2b95b659851d58bc96910
6. 0x616601eba2e75e143dfc2afc536a2a6bc7634f41b7719c1cb12bb9b92a6b428d
7. 0xac60e716c6718beccd2e53fdb6052958eaed894d83f3a62e8292f2a525545bec
8. 0x95d25b8b644108320208c8703ff89875b387f5fe90c6984b0d817d05c1485d5c
9. 0x3fab2ba06a3ec8edb44f17977a116c13dd3f36541fece3e8280de279d24ba3d1
10. 0xa258d479aaaaa82015c735d0ef4aa282cf307dff00c18952915a153965fc837e
11. 0x6e2c6fb1ec16c0d8a0fa917725bdfc512e7ed9f39e77d64f0a911d30e68a27de
12. 0x95576cc3dd18642c859f679cefa1cf80bfc6c690b065916c3585b14e8ef4b1b3
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae