Evidence row 451822

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": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-21T04:31:03.328Z"
    },
    "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":"d6cc9b038580569b7527e827a2a097e77d3b5f0140a22fd12d02b291f9d91591","id":451822,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100514876535,"prev":124337,"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 2026-10-27 (273461 rows).

1. 0x2d413eda9c65f04f220a8b4337e216fec556836511472d7c2a3cee4eae5a7db7
2. 0x1870bc99cd547d8ef2ed2e502397e8a1bbe4a25729243c052367010a50c821f1
3. 0x7f919fe328fc7153ae753057ace57e0ba9030969ba1573abd5de09f659e57f09
4. 0x3d18eb9067673dc27349cef9a3deb000a7a80a4be9a53edd727f46e2354aa9f4
5. 0xd0c8b721b22e356af61cbe17a61df4e941376e0ef043a7ca756e6955f64d808d
6. 0x1dca55f1151bdccacc07978e2e6118fbdf8730c55b7f5de39d531a42118722cc
7. 0xfcc72588442c94717ef48b18daf5a105143196946d382499538fea37b464accd
8. 0x3dcfa3f47b433ea281274f15be95e37c115c175860724acccecf3f992262dd8c
9. 0x6537da14b63ca5d8b04fe8f8443dd159e9c8e8ecdd901e3c44aad308f985f680
10. 0x8fa5ec375695a0bd09304a4ae0b7dc2b196dd997da1bdc8869bd60fea2c1a0de
11. 0xb9043caa2927f8e7e67754baf8d214c2650beb6c10faecdcd65ac501d9a41dc5
12. 0xbba37928cada6ab17c662e87851d940dd07cc2323bc089da77c1f353a0c5e936
13. 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4