Evidence row 453500

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://2s.io/api/security/attack"
    ]
  ],
  "name": "2s",
  "owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
  "raw": {
    "accepts": [
      {
        "amount": "2500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
        "scheme": "exact"
      },
      {
        "amount": "2500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "name": "USDC",
          "version": "1"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
        "scheme": "exact"
      }
    ],
    "description": "Authoritative MITRE ATT&CK (Enterprise) technique lookup. Pass id (e.g. T1059 or sub-technique T1059.001) for the canonical technique — name, tactics (kill-chain phases), description, platforms, sub-technique flag + parent, mitigations, and detection guidance — or query for a keyword search returning ranked techniques. Bundled current ATT&CK matrix (~700 techniques), zero external calls. Agents cite T-numbers and tactic names that must be exact; this returns version-pinned, citeable data instead of hallucinated IDs. For threat modeling, detection engineering, and report enrichment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "id": "T1059"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "properties": {
                    "id": {
                      "description": "ATT&CK technique id (T1059 / T1059.001).",
                      "type": "string"
                    },
                    "limit": {
                      "type": "integer"
                    },
                    "query": {
                      "description": "Keyword search.",
                      "type": "string"
                    }
                  },
                  "required": []
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1781454341/bazaar-icons/58f7ba8f2b3b8047.png",
    "lastUpdated": "2026-10-27T09:47:29.128Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T20:40:44.664Z"
    },
    "resource": "https://2s.io/api/security/attack",
    "serviceName": "2s",
    "tags": [
      "public-records",
      "identifiers",
      "ai-agents",
      "us-gov-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Authoritative MITRE ATT&CK (Enterprise) technique lookup. Pass id (e.g. T1059 or sub-technique T1059.001) for the canonical technique — name, tactics (kill-chain phases), description, platforms, sub-technique flag + parent, mitigations, and detection guidance — or query for a keyword search returning ranked techniques. Bundled current ATT&CK matrix (~700 techniques), zero external calls. Agents cite T-numbers and tactic names that must be exact; this returns version-pinned, citeable data instead of hallucinated IDs. For threat modeling, detection engineering, and report enrichment."
}

What the leaf hashes

{"body":"30e4b6be0b2ee3c61ee31952f8150483f469d06da67dfe2d4106bef8de8e1f8a","id":453500,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100636291193,"prev":60358,"subject":"x402_bazaar:https://2s.io/api/security/attack","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. 0x9bda8632f215ee40d75f700b1403c7d359974dd319927e0b35504c15b360267b
2. 0x8bf66f137eb1c3007be06e635c51e7077c92c77183dac79d9cf742f2c6d3e660
3. 0xd625098efab703244aa18241d61923289d26c189117d63e178ef6ea9b56e7083
4. 0xd6526da8dd959aed7b1149bd63b97b2db786f6ac5f0a6f1db1ccfa620d66c624
5. 0x914096c2b31fe1a263129334e75f0e7d75691c0471b06416e63ac2f309fb0f42
6. 0xaef496fa70d440df4050c330b34e1728ea28fc48ddb91953c9006a35ba0ce9a6
7. 0x19868aa35e360bfcaf2663b1af8e6417edd8934b9ce2fba925994cd5ceede337
8. 0xbf5515fa00d5052cbee64c0a36577c5245e7feaf587c88d8ee5997d67b8a6c56
9. 0x034bf88835c3817ee7a5bca40b48f5cd4b1a21bb059a2a5b989b5658ee1b2215
10. 0xcf07a9c51845d2b686d97ca51c04fcac2332768628ecac7ec94bd21fd21bc2fa
11. 0x6dfee0668e57d69736759f28372f849ab8777b27547dbd940940d7ee450d4ca3
12. 0xaf993fe1020a8b1831a83a3f25a47d44065b1a3db518b49690cdf7bb3a275984
13. 0xe8a6f20810396abd4baf9472081cda6d396bc7cf52a77bffdd9f33b41c62adcc
14. 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4