Evidence row 119797

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/evm/polygon/network"
    ]
  ],
  "name": "Saylor Innovations On-Chain Data",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:evm:network:polygon/netwo",
          "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:evm:network:polygon/netwo",
          "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:evm:network:polygon/netwo",
          "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:evm:network:polygon/netwo",
          "reference": "ANx39sm17oy31ivFSvq2KUP7ckQNZjw6c4XHqYVmo83w",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpwb2x5Z29uL25ldHdvcmsiLCJyZWZlcmVuY2UiOiJBTngzOXNtMTdveTMxaXZGU3ZxMktVUDdja1FOWmp3NmM0WEhxWVZtbzgzdyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDc4NjA3OTI2fQ.grvGcvXOg7flTwxAZlti_gUnU5vWF3wZU7MsdDMX57M"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb",
          "memo": "saylor:evm:network:polygon/netwo",
          "reference": "E8SZiFwEJEkEYuFpnaUCoQioddPzHQ4UNAvPgt45xFgM",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpwb2x5Z29uL25ldHdvcmsiLCJyZWZlcmVuY2UiOiJFOFNaaUZ3RUpFa0VZdUZwbmFVQ29RaW9kZFB6SFE0VU5BdlBndDQ1eEZnTSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNDc4NjA3OTI2fQ.SXnAVY7RCpuchz3NbtqF0w-Nwm-UD-c52LcbQIpsShQ"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92663",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:evm:network:polygon/netwo",
          "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": "95529",
          "reference": "Fe3hqd8Aq5o4G8Ej2UCCCeLVvKcHnDw4cRhRhpE58fQX",
          "session": "eyJhcnRpY2xlSWQiOiJldm06bmV0d29yazpwb2x5Z29uL25ldHdvcmsiLCJyZWZlcmVuY2UiOiJGZTNocWQ4QXE1bzRHOEVqMlVDQ0NlTFZ2S2NIbkR3NGNSaFJocEU1OGZRWCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MjY2MywiZXhwIjoxNzkyNDc4NjA3OTI2fQ.t4LjXrnUetya3UeoSwT4Pmdegv0lX8lwI8a3fIWtucg",
          "solUsdPrice": 104.68
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Polygon network status - chain ID, latest block, block age, gas price and base fee",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee_gwei": 0.0041,
              "block": 51738756,
              "block_age_seconds": 1,
              "chain": "base",
              "chain_id": 8453,
              "gas_price_gwei": 0.0052
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base_fee_gwei": {
                      "description": "Base fee per gas in gwei",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "block": {
                      "description": "Block number the data was read at",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "block_age_seconds": {
                      "description": "Seconds since the latest block",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "chain": {
                      "description": "Blockchain the data is for",
                      "type": "string"
                    },
                    "chain_id": {
                      "description": "EVM chain id",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "gas_price_gwei": {
                      "description": "Gas price in gwei",
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "chain",
                    "chain_id",
                    "block"
                  ],
                  "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/v1790235422/bazaar-icons/bc5e2b3d111ebbef.jpg",
    "lastUpdated": "2026-10-20T06:41:27.967Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T06:41:27.673Z"
    },
    "resource": "https://saylorinnovations.com/api/evm/polygon/network",
    "serviceName": "Saylor Innovations On-Chain Data",
    "tags": [
      "evm",
      "polygon",
      "network",
      "onchain"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Polygon network status - chain ID, latest block, block age, gas price and base fee"
}

What the leaf hashes

{"body":"173cd4f98a67f92efc48668b10b8d3fe740ece1cbbf06fd3d3550cba5ef584b4","id":119797,"kind":"listing","method":"baseline/1","observed_us":1793025616504523,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/evm/polygon/network","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. 0x1064e7249f584d7d393be897888b1bd4009656c8630cccd234b2c27fa679fd53
2. 0xfcc7908fb5c72bb04e9bc072b694c66d2ea79495027c468747bf4b8185a0fbcb
3. 0x69532d016d91532e93fdfbe5864cdbaeb9499e9aef4e1bee412f4f62f71d345d
4. 0x17b95d4d18e3e1655807d23171e4a753443c08b393929bfd26990376dac21ae3
5. 0x212cb3e826e0f13ca6b82b97fa097b3ebff01429bf07360f9d0f8a995ca756c3
6. 0xa4a20c93c9abdaf8f93deb892eae7c4bc63ab48f5e68c0d7cb545c28a21f2eca
7. 0xa2d535dd1c7083811742d7e7c1489c966fdaee8b2933943fe18cc13f41869c56
8. 0x2eed16a742ffe120df0a1d3af583c684e2833418638ff4f08d431bdda2fd370d
9. 0xc78969e1448b4e00b22c1b3dc7e51f8123c9e7092baaaedc96ecfaebe34d69e7
10. 0x966bf10795d50c9f81eb3c272b7279beecfe723480c50bbb3c87bcd23b5cd5b5
11. 0x27ff2940d5376ec3cc70015c126b688bae838938b2846686279ceb190eb69456
12. 0xc02d9eff6ef94d46d90d54320548f18fc3f05787047265548577569253c19969
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae