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Evidence row 120784

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/validate/bitcoin
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e6e109851928bd15ba9f9fd153c87e07f511bd384b488feda22d70481e61e974
Leaf
0x8fb5efc6972c7da23e7299314002ed23a0866b384efef26fe24c603f3ddb7c4e

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/validate/bitcoin"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:validate-bitcoin",
          "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-bitcoin",
          "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-bitcoin",
          "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-bitcoin",
          "reference": "CcBXWdxLPZvUCRbMTostuBv2AHiqYo3JNQGBd4WP896H",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1iaXRjb2luIiwicmVmZXJlbmNlIjoiQ2NCWFdkeExQWnZVQ1JiTVRvc3R1QnYyQUhpcVlvM0pOUUdCZDRXUDg5NkgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjU1ODc3MDI1MX0.Tpag2vKC7kAtBeIjToy-7c2uDCRdrsakMCHDZyfcxKo"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:datadesk:validate-bitcoin",
          "reference": "Ddj9DFzTSn8bcDLBdvTVjuDLsnDaUu5bofUCybh4H7hP",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1iaXRjb2luIiwicmVmZXJlbmNlIjoiRGRqOURGelRTbjhiY0RMQmR2VFZqdURMc25EYVV1NWJvZlVDeWJoNEg3aFAiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjU1ODc3MDI1MX0.EyWnZzBRQZdsmrk4m3Dd24p0bldEyU_B0NHX6mlJTdQ"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "91742",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:validate-bitcoin",
          "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": "94580",
          "reference": "HBFvQWtPLL2Cd41SewgG8iiqEzNXuQUNue9ga2pRCVUW",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazp2YWxpZGF0ZS1iaXRjb2luIiwicmVmZXJlbmNlIjoiSEJGdlFXdFBMTDJDZDQxU2V3Z0c4aWlxRXpOWHVRVU51ZTlnYTJwUkNWVVciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTE3NDIsImV4cCI6MTc5MjU1ODc3MDI1MX0.mvYt03Uut9X-PQ54wNT3hUE1KJYye_PWz5Iq5q7p-lI",
          "solUsdPrice": 105.73
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Validate a Bitcoin address before sending: base58check and bech32/bech32m checksum, address type (legacy, SegWit, Taproot), wrong-network detection, OFAC screening, verdict.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa",
              "address_type": "Bitcoin P2PKH (starts with 1)",
              "chain": "bitcoin",
              "chain_name": "Bitcoin",
              "checksum": "valid",
              "detected_network": null,
              "format_valid": true,
              "network_match": true,
              "normalized": "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa",
              "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 Bitcoin address. Live existence is not checked for this chain. 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": {
                "checked": false,
                "reason": "no keyless public node is used for this chain; format and sanctions checks only"
              },
              "sanctions": {
                "checked": true,
                "entity": null,
                "list": "OFAC SDN digital-currency addresses",
                "sanctioned": false
              },
              "source": "Computed locally (checksum and format); OFAC SDN digital-currency address list",
              "summary": "Valid Bitcoin P2PKH (starts with 1).",
              "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 Bitcoin 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": "2026-10-21T04:57:30.299Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-21T04:57:29.969Z"
    },
    "resource": "https://saylorinnovations.com/api/validate/bitcoin",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "bitcoin address validator",
      "validate bitcoin wallet",
      "address checksum check",
      "ofac address screening",
      "safe to send check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate a Bitcoin address before sending: base58check and bech32/bech32m checksum, address type (legacy, SegWit, Taproot), wrong-network detection, OFAC screening, verdict."
}

What the leaf hashes

{"body":"e6e109851928bd15ba9f9fd153c87e07f511bd384b488feda22d70481e61e974","id":120784,"kind":"listing","method":"baseline/1","observed_us":1793025618785886,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/validate/bitcoin","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. 0x8fb5d0253506b4eadb4ee185b4ab320c7f1cbfcccb256055274fcb748c99f0b6
  2. 0x0a2b29c7bea26223c2305aedee3ba3a321c54c9095ddb981d4acc70efcefb5c6
  3. 0x5bbadc8256e37828650a5576adced7baf841c7ab4d7a4e4fd28b4bf629ddbd8a
  4. 0x12433d910d1efc5f0bc5f139cc1b69c1eafed192085f63b3c1059094b98a19a3
  5. 0x1343397ad53d84faca3597dacfc41a12c98eda09675b8b40f040a4e70d44fc67
  6. 0xcae3f31af214aab6d8d207d181f7b5155b5f0d66fc6a450cc1e99a04b564d03f
  7. 0x1ad5217d4b6b1f852aa9179ffb2232a5e99152cd121762835fa1494e94dc393d
  8. 0x4cf29b85012de3ff64f3a5087a80e3b9ace7a723a84489f0078dd6ab8401a3df
  9. 0x49df1bc4ca978123e94a91d4ff43e70d00299f08473152f9ee6956a69f073b9d
  10. 0x008d45ed99bece5d0babf3bd1d6fb4a93a70f99077db6328a9bbfbc9519f9600
  11. 0x4ef4c3a70c6b26977cbaf534a1ab9edcc651b2d385e682cd5a3f54a060ec0018
  12. 0x4634efb8094d1dd2874013b832ad8653e49400f57bf98efdcc5f925ed08d0f5b
  13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
  14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
  15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON