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Evidence row 120785

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/validate/blast
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a8be484d0e68ff363e300716db36f03d5dd93bc106b44c41bc310f804197b26d
Leaf
0x0317dc9e389fb922d88c9c34e9f15d4b4132e4923c5122b13e2259bf7500058d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/validate/blast"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:validate-blast",
          "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-blast",
          "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-blast",
          "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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:datadesk:validate-blast",
          "reference": "5Fp9ANQCy311zQ8b5FzirFNG5D8ro51xkhEXa8jByKdH",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1ibGFzdCIsInJlZmVyZW5jZSI6IjVGcDlBTlFDeTMxMXpROGI1RnppckZORzVEOHJvNTF4a2hFWGE4akJ5S2RIIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1NDE3MDI5MDZ9.xoyl5O3xy5V9xPrnfoINrumNG4BbqXm1L7Vk5MjPo6M"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:datadesk:validate-blast",
          "reference": "E3T9YEh3t1DPHFk78ddr8gypqxHohdmrsq4PntWjyUCa",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1ibGFzdCIsInJlZmVyZW5jZSI6IkUzVDlZRWgzdDFEUEhGazc4ZGRyOGd5cHF4SG9oZG1yc3E0UG50V2p5VUNhIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1NDE3MDI5MDZ9.X-E3DVkIb3JHsj18jfiL9gDoSPYjmNYP9GnIYF8b2YM"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "91147",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:validate-blast",
          "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": "93967",
          "reference": "5wYUhJjYKqL1H8GyWnQzN14tfd6zReYL7tTm3A331Hrb",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1ibGFzdCIsInJlZmVyZW5jZSI6IjV3WVVoSmpZS3FMMUg4R3lXblF6TjE0dGZkNnpSZVlMN3RUbTNBMzMxSHJiIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkxMTQ3LCJleHAiOjE3OTI1NDE3MDI5MDZ9.m63lEbHWgsPpC1uumJde0XyYCJKTw5pmRgjM_hO4qfA",
          "solUsdPrice": 106.42
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Validate a Blast 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": "blast",
              "chain_name": "Blast",
              "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 Blast 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": 0.001162909494507676,
                "balance_symbol": "ETH",
                "checked": true,
                "eip7702_delegate": null,
                "exists": true,
                "kind": "externally_owned_account",
                "transactions_sent": 0
              },
              "sanctions": {
                "checked": true,
                "entity": null,
                "list": "OFAC SDN digital-currency addresses",
                "sanctioned": false
              },
              "source": "Computed locally (checksum and format); Blast 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 Blast 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": "2026-10-21T00:13:02.954Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-21T00:13:02.785Z"
    },
    "resource": "https://saylorinnovations.com/api/validate/blast",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "blast address validator",
      "validate blast wallet",
      "address checksum check",
      "ofac address screening",
      "safe to send check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate a Blast 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":"a8be484d0e68ff363e300716db36f03d5dd93bc106b44c41bc310f804197b26d","id":120785,"kind":"listing","method":"baseline/1","observed_us":1793025618787483,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/validate/blast","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x0317e5ef6d6e8354eb52b532d513785d296f73a208ec7d7eabfe14981db9b4ff
  2. 0x254a8a7dcc5dba277360dd9e3556ce1b885d23ea7294f69495278794afc04a5f
  3. 0xbc5c3572dfcbcedfc332e16c019d3481f7f8ca977523c0ab186709aa085b4793
  4. 0x24ca31a0995672f641d2b4a6d4069f627301c815c26db091dc5eb8ff238bc76c
  5. 0xb1a1bc6f1b228acd4da590989cda124f0227db634d7d5e72f4ac9b278eaa7631
  6. 0x2f3e913b99456507e698943407a0b1039906980b730b2c0fe79997ceb5f706b3
  7. 0xfa51a5e2c468c912dc2b44fda3da9ff7d9c237656486f6128691ac474a207c09
  8. 0x067ae9983dced5e9c30b72d03c0274b60c1ae48407e569a1f5c8466ccacc25bc
  9. 0x48e38167e1857fae9878a08be05cde083f0575f14771639b04edc518c9d1af23
  10. 0x7eb88a3b9eed96824d9e196c7f83cd784e15460aa54a9a4dc628a19fb1c77aa6
  11. 0x4e18f6df894eff467396bfe85f6d6b90f40522629a1dd7517152c38e1c70e111
  12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
  13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
  14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
  15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON