Evidence row 562328

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Construct the exact XRPL NFTokenAcceptOffer transaction to buy a seal, including the authorization-memo protocol your principal must approve. Read the rules in the response before submitting.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "buyer_address": {
            "description": "Optional: your XRPL address, inserted into the template",
            "type": "string"
          },
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_buy_transaction"
    },
    {
      "description": "Get full metadata for one seal by id (\"01\"..\"12\"): the canonical authorization record, its sha256, image URLs, and mainnet mint transaction.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Piece id, e.g. \"01\"",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "get_piece"
    },
    {
      "description": "The other half of the collection: the hash-chained ledger of the agent's standing constraints — what it will not do — including the erratum where it corrected an earlier, exaggerated version of its own record. Both anchors are on mainnet. Not for sale, ever.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_refusals"
    },
    {
      "description": "Pay with USDC over HTTP instead of XRP: the x402 purchase rail (Base). Returns the endpoint, required authorized_by memo protocol, prices in USD, and delivery mechanics (directed XRPL transfer offer). You still need an XRPL address to hold the seal.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_x402_info"
    },
    {
      "description": "List all Twelve Permissions seals: verifiable NFTs on XRP Ledger mainnet, each sealing a real human-to-AI authorization event. Returns names, prices, live offer indexes, and sold status.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_pieces"
    },
    {
      "description": "Verify a seal from first principles: recomputes sha256 of the canonical event record server-side and compares to the published event hash. Full independent verification instructions included.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "verify_seal"
    }
  ]
}

What the leaf hashes

{"body":"1042f973a2330bf9b49f98dece701379ba8432923fb37c9224bc3714ac5eda85","id":562328,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793137364046256,"prev":null,"subject":"962582e0-22c9-4ea5-b64b-6b6291786995","subject_kind":"endpoint"}

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. 0x024866c2d5fc38e34c30738a83201871ce33e377b736e7086b41323320ba2e5e
2. 0xd1aebb27832cd80210962cec245a8b0dc58e84df2a9aec91d91468c955a87f8c
3. 0x4c8f3437f0c7d99911ccd66aae54752c269f8d1c47712d3f8e18d5c81f0c2ece
4. 0x40828ea9201a2ef01d711d0ae4ab0827edb9214b604597f86b67baa3bbd78379
5. 0xdfd20503ec85e0ce83d2b461f2244ecce6bd2c342f2b7e6db68b2fafa2c2b5b5
6. 0xe70f44acd36a4bbf0b03a920e6914f0833f7dad162c1f42bedae47f8c7538ccf
7. 0x964e2fbfaf852a2b4ae6046ed158997c245e87dc8dfa81ebb46e8657fe295f36
8. 0x59c23b4fbba935f19f318a06de4174afc406e0f69b6d9f5e06f76fde8b94bcb4
9. 0x21500073ebfc3c37aaedd43ad710cb5563eae392cd7d5cc42365f9e88d83ff35
10. 0x88da08caae617294558df3d1e6db49762eb8b020a78e23eb786fe51cbd14c976
11. 0xca110c77af452531cd72d9dfe28e4dd3c3e60be71c9e7ac05ad2b782f9713bde
12. 0x05916cc6b98491a0d541e4ecca3d0132fa255184243406b5a8a52bb1b6b63bd0
13. 0x5b34b9f89512a83faa4bfecec322037670cc1af58e6e94a86fe88934434d7ddf
14. 0x29e12cb67839430fa64ab8bd05d52bab606f2978d9e6d2fb094fece9438fd4de
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4