Evidence row 1037897

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.liquidstate.tech/api/x402/farside-btc-etf"
    ]
  ],
  "name": "Liquid State",
  "owner_address": "0xbc167a7e2affc25d0adb510f6d6e890828d14299",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xbc167a7e2affc25d0adb510f6d6e890828d14299",
        "scheme": "exact"
      }
    ],
    "description": "Latest COMPLETE US spot BTC ETF daily print (Farside). Per-call USDC.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "arkbUsdM": 33.2,
              "asOf": "Tue 29 Sep 2026 · CT",
              "as_of_ct": "Tue 29 Sep 2026 · CT",
              "bitbUsdM": -18.1,
              "btcUsdM": 0,
              "complete": true,
              "cumulativeUsdM": 57713,
              "data_hygiene": {
                "complete": true,
                "conflict": false,
                "partial": false,
                "schema": "data-hygiene-v1",
                "stale": false
              },
              "date": "2026-09-29",
              "ethSource": {
                "name": "Farside",
                "url": "https://farside.co.uk/eth/"
              },
              "ethTotalUsdM": -2.8,
              "ethaUsdM": -8.9,
              "fbtcUsdM": 0,
              "gbtcUsdM": 0,
              "ibitUsdM": 51.1,
              "invalidated_at": null,
              "kind": "farside-btc-etf",
              "leg_id": "farside-btc-etf-2026-09-29",
              "levels": {
                "arkbUsdM": 33.2,
                "bitbUsdM": -18.1,
                "btcUsdM": 0,
                "cumulativeUsdM": 57713,
                "ethTotalUsdM": -2.8,
                "ethaUsdM": -8.9,
                "fbtcUsdM": 0,
                "gbtcUsdM": 0,
                "ibitUsdM": 51.1,
                "msbtUsdM": 0,
                "priorIbitUsdM": 54.8,
                "priorTotalUsdM": 31,
                "totalUsdM": 66.2
              },
              "msbtUsdM": 0,
              "notice": "Information only, not financial advice.",
              "ok": true,
              "priorAsOf": "Mon 28",
              "priorIbitUsdM": 54.8,
              "priorTotalUsdM": 31,
              "published_at": "2026-09-29T18:00:00.000Z",
              "revision": 1,
              "source": {
                "name": "Farside",
                "url": "https://farside.co.uk/btc/"
              },
              "sources": [
                {
                  "name": "Farside",
                  "url": "https://farside.co.uk/btc/"
                },
                {
                  "name": "Farside",
                  "url": "https://farside.co.uk/eth/"
                }
              ],
              "thesis": "US spot BTC ETFs +$66.2m (IBIT +$51.1m, ARKB +$33.2m, BITB −$18.1m) as of Tue 29, after Mon 28 +$31.0m. ETH −$2.8m same session. Cumulative +$57.7B. Farside.",
              "totalUsdM": 66.2,
              "wrong_if": null
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": {
                    "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": "2026-10-27T10:15:47.149Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T10:15:46.74Z"
    },
    "resource": "https://www.liquidstate.tech/api/x402/farside-btc-etf",
    "serviceName": "Liquid State",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest COMPLETE US spot BTC ETF daily print (Farside). Per-call USDC."
}

What the leaf hashes

{"body":"5fdb2debc5aa28f4810d96b36caf7524bb615fc16256e286a15caa5acb4d5c5d","id":1037897,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298246136452,"prev":526757,"subject":"x402_bazaar:https://www.liquidstate.tech/api/x402/farside-btc-etf","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x6ac3773afc19e65c7c4bc487fccb8e10ceaadc45bb583684a189da8083ee8978
2. 0xcbec504aa7923ae51ea37d24f0c1a81de1ca17a5871124ddabad4250fb1e37ce
3. 0x3408ca789e173d6810060af1bc58819b21487a420713a8a545d2cbba10ef8165
4. 0x8705f5bc12bee331c0382acda5c99fa26eaf12db1244e32025f58a313ed668a8
5. 0x71b8caf2aac620ad3eef4950e64269eb462479e9fab2017e0b0c900023b5313c
6. 0xdc39cfde5de5b0dc96224c9214b90ff089cdc4147f259cedd1d81384d4e956b2
7. 0xf814f36506058479fb5b7c8445cb2edd24ea4aabcb248e21cc6659dfe5f33c0d
8. 0xdf695ec943e847b790c0b64e9b3d41cd44718028e01f76b78f461c95328c850c
9. 0x8e85f53035ff71efcc44f55013514bd0e7ed631eec9b42de1ed996133bcb245e
10. 0x126e79ac2018d00889a5d756cd9147d11b03b94af34b1fa6b8c91a2e3089e6d0
11. 0xf3ab0bba5d2c37cc9530fe7c80c74646d8a3c98661650be751cac7c5cc4300c5
12. 0xd1b026958b87e7817d492c5f8133035d465e6221f158dbb4a44448c14b220dbc
13. 0x0a70f94ba839c32042590eb96f6114034cb5b3ed8dd1b48fb4158efe13cb8084
14. 0xec2e740df411d32a080c5e65c8b0ca511ad665b213532cee58525a97aebd2893
15. 0x60b5befbd81f025904c8a3936b7ba86e3245ad5b37c615d01d42aa3227e3ed2e
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1