Evidence row 120793

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/validate/gnosis"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:validate-gnosis",
          "name": "USD Coin",
          "note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:validate-gnosis",
          "name": "USD Coin",
          "note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:137",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:validate-gnosis",
          "name": "USD Coin",
          "note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:42161",
        "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:datadesk:validate-gnosis",
          "reference": "CyPNwxzKET4sYGyfcvQcTRZbCk5yRb6GMSK6kgTZkAh9",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1nbm9zaXMiLCJyZWZlcmVuY2UiOiJDeVBOd3h6S0VUNHNZR3lmY3ZRY1RSWmJDazV5UmI2R01TSzZrZ1Raa0FoOSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTU5OTU3ODg0fQ.JHtqnVueGGYgq45qaqKFTeP231PKQu5xEjZQlletkLE"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:datadesk:validate-gnosis",
          "reference": "C25bB4HxZeZbgXSM76N2G6Hj8mNBr7DNyAUxrGQWVHJW",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1nbm9zaXMiLCJyZWZlcmVuY2UiOiJDMjViQjRIeFplWmJnWFNNNzZOMkc2SGo4bU5CcjdETnlBVXhyR1FXVkhKVyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTU5OTU3ODg0fQ.LxF_4Z_LSIIzzyQgpVwWTT50v0IExFlNJjqgqlaAGV4"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "91595",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:validate-gnosis",
          "native": true,
          "note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
          "quotedLamports": "94428",
          "reference": "FG2zYkFSZRL3ES7dGB7VRJjNpDDWdMw4y5FPfLhfBD37",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1nbm9zaXMiLCJyZWZlcmVuY2UiOiJGRzJ6WWtGU1pSTDNFUzdkR0I3VlJKak5wRERXZE13NHk1RlBmTGhmQkQzNyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MTU5NSwiZXhwIjoxNzkyNTU5OTU3ODg0fQ.0wJ1AoYUuYpA7tu225bKkEwdxc53RZdhEMmfG4OjUzE",
          "solUsdPrice": 105.9
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Validate a Gnosis address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "address_type": "EVM account or contract address (20 bytes)",
              "chain": "gnosis",
              "chain_name": "Gnosis",
              "checksum": "valid",
              "detected_network": null,
              "format_valid": true,
              "network_match": true,
              "normalized": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "note": "Verdict is advice for an agent before moving funds: ok = nothing found, caution = check first, do_not_send = a serious problem, invalid = not a usable Gnosis address. The on-chain check reads a public node at the latest block. Sanctions screening covers OFAC-listed digital-currency addresses only. A valid, clean address can still belong to the wrong person: confirm it through a second channel and send a small test amount first for large transfers.",
              "on_chain": {
                "balance": 8.709546191240797,
                "balance_symbol": "xDAI",
                "checked": true,
                "eip7702_delegate": null,
                "exists": true,
                "kind": "externally_owned_account",
                "transactions_sent": 5
              },
              "sanctions": {
                "checked": true,
                "entity": null,
                "list": "OFAC SDN digital-currency addresses",
                "sanctioned": false
              },
              "source": "Computed locally (checksum and format); Gnosis public node; OFAC SDN digital-currency address list",
              "summary": "Valid EVM account or contract address (20 bytes).",
              "verdict": "ok",
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "the Gnosis address to validate before sending funds",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "address": {
                      "description": "Account or contract address",
                      "type": "string"
                    },
                    "address_type": {
                      "description": "Address type",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "chain": {
                      "description": "Blockchain the data is for",
                      "type": "string"
                    },
                    "chain_name": {
                      "description": "Chain name",
                      "type": "string"
                    },
                    "checksum": {
                      "type": "string"
                    },
                    "detected_network": {
                      "description": "Detected network",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "format_valid": {
                      "description": "Format valid",
                      "type": "boolean"
                    },
                    "network_match": {
                      "description": "Network match",
                      "type": "boolean"
                    },
                    "normalized": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "description": "Caveat or context for reading the result",
                      "type": "string"
                    },
                    "on_chain": {
                      "description": "On chain",
                      "type": "object"
                    },
                    "sanctions": {
                      "type": "object"
                    },
                    "source": {
                      "description": "Data source the values come from",
                      "type": "string"
                    },
                    "summary": {
                      "description": "Short summary",
                      "type": "string"
                    },
                    "verdict": {
                      "description": "Overall assessment derived from the listed reasons",
                      "type": "string"
                    },
                    "warnings": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "chain",
                    "chain_name",
                    "address",
                    "format_valid",
                    "checksum",
                    "network_match",
                    "on_chain",
                    "sanctions",
                    "warnings",
                    "verdict",
                    "summary",
                    "note",
                    "source"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "json",
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "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/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-21T05:17:17.924Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-21T05:17:17.478Z"
    },
    "resource": "https://saylorinnovations.com/api/validate/gnosis",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "gnosis address validator",
      "validate gnosis wallet",
      "address checksum check",
      "ofac address screening",
      "safe to send check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate a Gnosis address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send."
}

What the leaf hashes

{"body":"640e597729edc9a2fe9897adedf2cbf1595f972814dd0d02186ca569ba118eeb","id":120793,"kind":"listing","method":"baseline/1","observed_us":1793025618802292,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/validate/gnosis","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. 0xbe475022ceba060738279ef93aead4fcb544de43ee29128d99feed1669901907
2. 0xec8fd59a1be4d112978b3165beab0122fc7077c4f770fbbb4567b8b9f89c4259
3. 0x9ddec3fcf84e28b4eac024ca4f09a085657eb24e6f32a4bf4380d82a4f3d2908
4. 0xfcb3f9af5d5c685fa13f151a03fb383fd76e131e8b6e4e38a0d27d576119716c
5. 0xec91509202d4009fe9e40ef7cc4db623777c9414f80de5e04accd38fa7dbb3a6
6. 0x1f0ca11daa1e789628f8e509df1685ae48aa119770876f36b91a44a01816ff82
7. 0x17f13dcc01655980f81306905b7435749560c63efe6001935be9add598aa6042
8. 0x3a7e4ae88af336a1db58b5b595721420c577c1c93931f94a0b6a8746a9bc69d9
9. 0x59d2ed1afe9209822b673cdabf6a11b8d0a4d2c5c380f7cc9ea0a18d4087142e
10. 0x927b7a2d4b8d7a76e95e52be4a765e83f728466e719f0aa3e8653655c30cd191
11. 0x0c2fadf69af6b0b6e19a10cc8f6ddfdff26662d74207cc53dcbcf5abfbdbc8c9
12. 0xa6f71fd6c3a59323bf7c5386a54935b14c555d8c717289cc73700f56d86994cd
13. 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae