Evidence row 126872

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.swaphunt.dev/v1/market/halving"
    ]
  ],
  "name": "x402.swaphunt.dev/v1/market/halving",
  "owner_address": "0xd6b585dd2f48263d08fb75ea28c1598d845d23a8",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xD6b585DD2F48263D08FB75EA28c1598d845d23a8",
        "scheme": "exact"
      }
    ],
    "description": "BTC or LTC halving countdown: blocks remaining and the estimated date of the next halving. Use for cycle-timing narratives and supply-shock context. Estimate (block-time based), not an exact timestamp.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "coin": "BTC"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "blocks_remaining": 78400,
              "coin": "BTC",
              "current_block": 971600,
              "days_until_halving": 540,
              "estimated_date": "2028-04-20"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "coin": {
                      "default": "BTC",
                      "description": "Coin (BTC or LTC)",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-25T18:42:30.107Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T18:42:29.487Z"
    },
    "resource": "https://x402.swaphunt.dev/v1/market/halving",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "BTC or LTC halving countdown: blocks remaining and the estimated date of the next halving. Use for cycle-timing narratives and supply-shock context. Estimate (block-time based), not an exact timestamp."
}

What the leaf hashes

{"body":"633854c36dbb9c2834e6eff42ba3ee78fe6f8d9fe98a13500b726ced4e2900bc","id":126872,"kind":"listing","method":"baseline/1","observed_us":1793025637207225,"prev":null,"subject":"x402_bazaar:https://x402.swaphunt.dev/v1/market/halving","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. 0xf83c76083f57fe0b3ec9453bbcfd6e04f822b75cf253e1dc9b9fc5bd2f736758
2. 0x5697330c86de679ccdf406f3dac2668d8073366f0de573b7badb97edea7adcf7
3. 0xe2474ea2e06280865338345d1d94534471d07794c75a80e10efe013c7fe9c401
4. 0x8de4104090c66b4559ee9b1273cc62447dde20a0b1a40b3cb1552c1e61b107f2
5. 0xa82bc0403dd5eeb646dba8454e030a1a7bff3cdecf3af49b3afe03dea5878617
6. 0xea5480e4c676380478bde328dd0b6b3a4c1ee7857b2e1397ec1ad04ccebc52df
7. 0x5492484db9f58eb207c93d4b3aedc03be6b460edcfbf865d97a3dc100effb2ae
8. 0xc3ce6b79875c66fe376bdadbb8654bd87d4dec9e5335775dbaed3dc432f1a37b
9. 0x87a81a686d43cfabc03a9020ff0bb4bd6b8378c6aa3b015f8c7c116eaca932f7
10. 0x0eea714eaa5097f3236c62c5eab0dbd64a4b080a83c9a924990a89ae274e7c4e
11. 0x0836eb686ada9beddba0f76357ec59493359d2a7c51aa5c4a31d3cfe9873ea74
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae