Evidence row 526757

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": 6,
      "l30DaysUniquePayers": 5,
      "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":"5625aa2b3f44cbc161d5df5649b79c1f58dce3015a5a5cd2e1ced5a2777554db","id":526757,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124791356238,"prev":451822,"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. 0xde24e571df74b0a0aba699b0bbd0797d25b2cfafbb644c1bae40638084e32c57
2. 0x05a0119d550d047153b16a21e1548d925b0a225aa38a7267f06e992f143084fd
3. 0x05f767519127ae0185a7acd3eac91e83b4bb122f76d8a596eb29ad6a76ed70df
4. 0xe086d8f13c13c6c853e089486a5db80ec50152c0956aafc6a1591465a553e323
5. 0x8c09f5dc63ca4a75d0df8a1670bc288e19b4a5674b92da6602e1bc67d9fdb103
6. 0x4dd3d42b09d07967f0b1bbaa0a4e59fc3b6227b67f812c70015ef191697f7cb5
7. 0x8040b40aa0fc5e2b47f01955488e03c37cc9415fca48de5b76f9a85390b7e409
8. 0x7a470dc83086f03d4574705eb7b54e06ee05bef6e0bf3883f91070a278dbcc32
9. 0xa0becadca9f91a584851290cb5e7361da8443bc485837334c5d7b805aa046417
10. 0x6fe27e9b06f2a876722a46c0f1b30d41e92740f4b7cc3387ca42edc229cdc25c
11. 0x9dc2ea57a358812a7cfb149bfe14e9cee1ef97d2929a7697d6a48c8c06c3cd7c
12. 0x1269bf9fca7c16778dd2b72e0163a91a5a288ca31d13ad19673e0d6ecf6de8d5
13. 0x9f8e192630bb5fc72241bfdb0460be2fccc141b3afd0197fe2e478dc28ce82a9
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4