Evidence row 1260886

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": 76274,
              "coin": "BTC",
              "coin_name": "Bitcoin",
              "current_block": 973726,
              "current_block_reward": 3.125,
              "days_remaining": 529,
              "estimated_date": "2028-04-11T10:28:21.592652",
              "halving_number": 5,
              "next_block_reward": 1.5625,
              "next_halving_block": 1050000,
              "progress_pct": 63.68,
              "updated_at": "2026-10-29T18:08:21.592685"
            },
            "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": "2026-10-30T14:24:07.594Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-30T14:24:07.347Z"
    },
    "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":"a78fa04f7d276a9bc2ee97db1817eb834fbdc34fc7ff4ccefe52a8921522f481","id":1260886,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385487919006,"prev":526567,"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 2026-10-30 (243099 rows).

1. 0x050ae1841ebfb016a59e177c42d4a9415030dbf17e0aa2405f2dc8b0c8e86f2c
2. 0x1b8a18e372edbd3e6ca9e64ab088a229221c33d67d0fd258278a97bc72e14cab
3. 0xc66437d4f8fe7b29c02d2958aa0c77786206cb18585cb5c37f279071e8f88dd5
4. 0x14926470b9616d810d6aa17632f2a20ac2e8bdeadafbb146c71897786a64be6f
5. 0x1a17cfb659891827da6c2879a5fe6f8719a9e5ab0e202a905e07c1314e9ed67f
6. 0x03d2c00d85dc5304c0876f51c661dade1e819877910ccb6922d75f9c4436cc80
7. 0xc1bf6cc961996f44805ef2e8cdb17baf39a3d5556c0e19feebfaf21d2b34c6b8
8. 0xcba0ce00a30f8b719b668abee29b3026aed7f88ec933734b7fb85688ebc3c914
9. 0x07f734109394c87bb9062624e53cb38d4ce1d538ea5f0d47b7baf74e4da45566
10. 0x3fa70884644fab5bbe6933a1e9492263bab78039fefce99f8428706ef1308b6c
11. 0x0f8fc28d693d68f9b35611b6ac0fff77345b25013aae5f12a6e1950c53ba5950
12. 0x4588a56123dd48dd025eb0cba6684201f8e98429c9b6b7d1cbe4920b3fc8e8b3
13. 0x287d3fb38960cf3c4d3356b0e6240c982ffcd471f4e9b7f7d550363c3483d375
14. 0xa0c9900ba7512d3a576c15bf6cc53f55a0645d9bf9b4e2e4c1760d00af98e761
15. 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861