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Evidence row 119508

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/chain/safe-info
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
77ea87842ce88f351f80c3744a82c9936285901dca54cf045c55d03e6718e5fc
Leaf
0xc4079006d8ea57961f15c7503db47f532e9ab7ae970375e8062f11244b230c81

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/chain/safe-info"
    ]
  ],
  "name": "Saylor Innovations Data Desk",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:datadesk:chain-safe-info",
          "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:chain-safe-info",
          "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:chain-safe-info",
          "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:chain-safe-info",
          "reference": "FueuBFzk4vWCsuwPFzQagqNMe2P3XxmsmgvSmMZd88wy",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjaGFpbi1zYWZlLWluZm8iLCJyZWZlcmVuY2UiOiJGdWV1QkZ6azR2V0NzdXdQRnpRYWdxTk1lMlAzWHhtc21ndlNtTVpkODh3eSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNzk5MjgzMDgyfQ.z2pj66w46DPbWwwc7CX0R_GzuS4dV5Apa3RHd_DyL58"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "memo": "saylor:datadesk:chain-safe-info",
          "reference": "9B2faZEiM5QnQ75Z3rd5Vztw3KsgehGd1dcG9a9xXiVk",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjaGFpbi1zYWZlLWluZm8iLCJyZWZlcmVuY2UiOiI5QjJmYVpFaU01UW5RNzVaM3JkNVZ6dHczS3NnZWhHZDFkY0c5YTl4WGlWayIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNzk5MjgzMDgyfQ.z0b3O0Re3uCMGLIxAhyVVB_MYJiwRmXIi-g8iz9upSg"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "94661",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:datadesk:chain-safe-info",
          "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": "97589",
          "reference": "386eRKeSXEghHKtuP2ZsZYhELQpwP6drFE964XfXpHSa",
          "session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpjaGFpbi1zYWZlLWluZm8iLCJyZWZlcmVuY2UiOiIzODZlUktlU1hFZ2hIS3R1UDJac1pZaEVMUXB3UDZkckZFOTY0WGZYcEhTYSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5NDY2MSwiZXhwIjoxNzkyNzk5MjgzMDgyfQ.oqSf_KXBY8WOHT37IRcVSPEnpCbifK9stzriImhnbNQ",
          "solUsdPrice": 102.47
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Safe multisig inspector for 16 EVM chains: owners, signature threshold, contract version, nonce, singleton and number of enabled modules.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x849D52316331967b6fF1198e5E32A0eB168D039d",
              "chain": "ethereum"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x849D52316331967b6fF1198e5E32A0eB168D039d",
              "chain": "ethereum",
              "chain_id": 1,
              "is_safe": true,
              "modules_enabled": 0,
              "nonce": 2868,
              "note": "3 of 6 owners must sign each transaction.",
              "owner_count": 6,
              "owners": [
                "0x964aE5aB627f1d536d5d5796734B7a44AD6531E3",
                "0xeD5Ddb58F3131274597EE59c98A073ce3C5d1cb9",
                "0x1B0C638616Ed79dB430Edbf549ad9512FF4a8ed1",
                "0x4e288c2aBC77a4D7c5583cdC9792731220a088cF",
                "0xbaB04858C4eBBb226DD12B38639e59450820536F",
                "0xe9eB7DA58f6B5CE5b0a6cFD778A2fa726203AAD5"
              ],
              "singleton": "0xd9Db270c1B5E3Bd161E8c8503c55cEABeE709552",
              "source": "Chain JSON-RPC (ethereum)",
              "threshold": 3,
              "version": "1.3.0"
            },
            "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 Safe (Gnosis Safe) wallet address",
                      "type": "string"
                    },
                    "chain": {
                      "description": "chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id",
                      "type": "string"
                    }
                  },
                  "required": [
                    "chain",
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "address": {
                      "description": "the Safe address queried",
                      "type": "string"
                    },
                    "chain": {
                      "description": "the chain name that was queried",
                      "type": "string"
                    },
                    "chain_id": {
                      "description": "EIP-155 chain id of that network",
                      "type": "number"
                    },
                    "is_safe": {
                      "description": "true when the contract answers like a Safe",
                      "type": "boolean"
                    },
                    "modules_enabled": {
                      "description": "modules that can execute without owner signatures (first page of 10)",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "nonce": {
                      "description": "number of transactions executed",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "note": {
                      "description": "plain-language reading of the result",
                      "type": "string"
                    },
                    "owner_count": {
                      "description": "number of owners",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "owners": {
                      "description": "owner addresses (up to 50)",
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "singleton": {
                      "description": "implementation the Safe proxy points at",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "source": {
                      "description": "where the data was read from or how it was computed",
                      "type": "string"
                    },
                    "threshold": {
                      "description": "signatures required per transaction",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "version": {
                      "description": "Safe contract version",
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "chain",
                    "chain_id",
                    "address",
                    "is_safe",
                    "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/v1792548358/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-23T23:46:03.128Z",
    "quality": {
      "l30DaysTotalCalls": 15,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-23T23:46:02.904Z"
    },
    "resource": "https://saylorinnovations.com/api/chain/safe-info",
    "serviceName": "Saylor Innovations Data Desk",
    "tags": [
      "safe multisig owners",
      "gnosis safe threshold",
      "is address a safe",
      "multisig signers",
      "safe modules enabled"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Safe multisig inspector for 16 EVM chains: owners, signature threshold, contract version, nonce, singleton and number of enabled modules."
}

What the leaf hashes

{"body":"77ea87842ce88f351f80c3744a82c9936285901dca54cf045c55d03e6718e5fc","id":119508,"kind":"listing","method":"baseline/1","observed_us":1793025615707919,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/chain/safe-info","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. 0xc408113521fff10f87f980947f0d19f3ef2f2798ff9a676f14c7852567a1a8f6
  2. 0x170466e31ee1307b65bf294c4cee45358dfcde8200added2ed27ff5505ebe070
  3. 0x7650b97142d8ca18a14edc3337a65e41e135b509c3b231898a18ad5787a3e6aa
  4. 0xbada79aa0776a4d2717159216f40a31e75e05997c14c34edc454bdd39cf0a145
  5. 0xf0994b34c2b5b668dd2a29bc4acde2287ada79c8068bde11b245ae7327712048
  6. 0x51dbd3c472fa652e4967509d850444a272e14017ee6d732e2c1d020a7724c670
  7. 0x29772ff2ceec0d73703e3db1d996c36f8d6fd5e874add0ced3ba4e920a50f65b
  8. 0xda0ec7cdd945a045d2128a95bae007d3dfe6bdec78f95b708b1a7b6f29060d9b
  9. 0xb27d4aa33f64f45fa7d713149f17d13b2ee30393cc7a102b9a52040296e5cde5
  10. 0xdc850e305944c852a3843d2749ca3439ee04fdbf864b6a8660cc3fd8b5aced96
  11. 0x2cd92a66ffb802d7ebc327d20fe07925be80289ee1c2910e6818dc40c67f2487
  12. 0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
  13. 0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
  14. 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
  15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON