Evidence row 69520

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.usenami.io/v1/perp/oracle-families"
    ]
  ],
  "name": "Usenami",
  "owner_address": "0x1538726707212f4db3eb67cec0910422a310475c",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1538726707212F4dB3EB67cEc0910422A310475c",
        "scheme": "exact"
      }
    ],
    "description": "Oracle price-source family classification across tracked crypto perp venues — which venues derive their index price from the same upstream feed. Basis-risk awareness for cross-venue and funding-arb strategies: two venues sharing an oracle family will not diverge independently, so a spread between them is not the hedge it looks like.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "families": [
                {
                  "family": "cex_aggregated",
                  "method": "Weighted median of top CEX spot prices",
                  "venues": [
                    "binance",
                    "bybit",
                    "hyperliquid"
                  ]
                },
                {
                  "family": "pyth_stork",
                  "method": "Decentralized oracle networks",
                  "venues": [
                    "paradex",
                    "lighter"
                  ]
                }
              ],
              "total_venues": 28
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "type": "string"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T20:38:25.666Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T20:38:24.774Z"
    },
    "resource": "https://api.usenami.io/v1/perp/oracle-families",
    "serviceName": "Usenami",
    "tags": [
      "funding",
      "perpetual",
      "trading",
      "multi-venue",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Oracle price-source family classification across tracked crypto perp venues — which venues derive their index price from the same upstream feed. Basis-risk awareness for cross-venue and funding-arb strategies: two venues sharing an oracle family will not diverge independently, so a spread between them is not the hedge it looks like."
}

What the leaf hashes

{"body":"3111dfebcdad71fb9bf07671f54afcba8e9076ba36b4d9cc5bdf936ef8f9822a","id":69520,"kind":"listing","method":"baseline/1","observed_us":1793025478223054,"prev":null,"subject":"x402_bazaar:https://api.usenami.io/v1/perp/oracle-families","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. 0xcf6cf9b4225f55fb7fe39a2e74c783a795f416af7b19303bc50d620c3078c7de
2. 0xb23449033deae8f17a7e8bf0475df22ab1fb447f213d226c83d9f3a2fa814659
3. 0xdd44b7f261ad9d8b93f8d475321c35979cde41d53bbaf9084b9c7b3562e71168
4. 0x44d935b51672d44958f8daafb4474330d743bdc48961ae46034fc5f48c1c69d1
5. 0xd4dab535cb24bc91a83a8b7843c883440f9f20019468e149116bc7df805120f9
6. 0x3b9707251701d1b894916a30ccb4566ddfc4cadb3d7b084ebad865690b37bb7a
7. 0x0b4a94c41806231942802a32aa9afd82ea8af03a0e8a83413821473ccf825631
8. 0x37dbe8973e16f0d7df01c503bdc375bf91f94e7ba9f2e341c87a529b5286a8e1
9. 0x957b2335d6cf9f2c9c7638555fafce20f612e0e8922531265bb53af9057054c0
10. 0xe80cf76bacef3df61a800537d5481bfa232c64dfad273eae27f78fe186ee2452
11. 0x207f4447ed1f515deb649bcfed4e5e49ab2ac52233bfac09df6fa492c34ac758
12. 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae