Evidence row 68407

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/electronics/timer-555"
    ]
  ],
  "name": "Saylor Innovations  555 Timer Ca",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:electronics:timer-555",
          "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:electronics:timer-555",
          "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:electronics:timer-555",
          "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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:electronics:timer-555",
          "reference": "cU2NbLPvVw8K41W2CyVjG8z6iaJtMwgkm5H7T1Xm4VU",
          "session": "eyJhcnRpY2xlSWQiOiJlbGVjdHJvbmljczp0aW1lci01NTUiLCJyZWZlcmVuY2UiOiJjVTJOYkxQdlZ3OEs0MVcyQ3lWakc4ejZpYUp0TXdna201SDdUMVhtNFZVIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI5OTY5MDY1NDN9.xl3ziD4sJAZUgU1erCjk3m9sp8abwisWZcTfG1IOgUU"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:electronics:timer-555",
          "reference": "4GjNXeSrTLCWvJXHWvF1R7QYLwyiXUzsy7ko4AimBiGr",
          "session": "eyJhcnRpY2xlSWQiOiJlbGVjdHJvbmljczp0aW1lci01NTUiLCJyZWZlcmVuY2UiOiI0R2pOWGVTclRMQ1d2SlhIV3ZGMVI3UVlMd3lpWFV6c3k3a280QWltQmlHciIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyOTk2OTA2NTQzfQ.-RUDflbPo3ZtbusryXhRUWi8wNtelvO8B9r4AAe-tqs"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "96334",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:electronics:timer-555",
          "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": "99314",
          "reference": "J6wLVQQmw8MaZHD6DUQHZVDGqUJ1TXrMFEzzgA5Y2KGk",
          "session": "eyJhcnRpY2xlSWQiOiJlbGVjdHJvbmljczp0aW1lci01NTUiLCJyZWZlcmVuY2UiOiJKNndMVlFRbXc4TWFaSEQ2RFVRSFpWREdxVUoxVFhyTUZFenpnQTVZMktHayIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5NjMzNCwiZXhwIjoxNzkyOTk2OTA2NTQzfQ.aiVMQm3q-5uRcNF1UvyI1dGc4kvT5inIWLISITFVbJI",
          "solUsdPrice": 100.69
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "Frequency, duty cycle, pulse width or the E24 resistor values to hit a target",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "c_f": "1e-7",
              "mode": "astable",
              "target_duty_percent": "60",
              "target_hz": "1000"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "duty_percent": 60.1,
              "frequency_hz": 997.4
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "c_f": {
                      "description": "optional timing capacitor in farads, for example 1e-7 (query)",
                      "type": "string"
                    },
                    "mode": {
                      "description": "optional astable (default) or monostable (query)",
                      "type": "string"
                    },
                    "target_duty_percent": {
                      "description": "optional duty cycle for design, 51-95, default 60 (query)",
                      "type": "string"
                    },
                    "target_hz": {
                      "description": "optional target frequency for astable design (query)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "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": "2026-10-26T06:39:46.585Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T06:39:46.399Z"
    },
    "resource": "https://saylorinnovations.com/api/electronics/timer-555",
    "serviceName": "Saylor Innovations  555 Timer Ca",
    "tags": [
      "electronics",
      "calculator",
      "maker",
      "engineering",
      "design"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Frequency, duty cycle, pulse width or the E24 resistor values to hit a target"
}

What the leaf hashes

{"body":"5abfa88ce6302a2558ae8363b5b28c94b0eb3c7e6aaa3a99bd911ff282ebc956","id":68407,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025466651918,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/electronics/timer-555","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. 0x5e4444ef033b99734ad012fe7ca815c1ba7d4a452da93ef373cea238f46484e8
2. 0x728e37443ac3df9f373e1961a98526e1e8118a0bca776be6246182df562ff657
3. 0x36471f24db8293a47da785783b87b257c6a4246198511236299d054c64fdd785
4. 0x39b140c895b05ee9fbd5320631b9d2c04c697efc178c4b6e7a70c1d06b7c52b5
5. 0xe6137d084c93e5ebbc96190602372da2edd8e2a8acc402c63ae19a857f6f4d51
6. 0xa099494159ad28d18e3703715a45f1e17e90fa8cf66f6bd475a894d1dd0089c7
7. 0x3a57c31b6e04f9f1b66efbfd7f55acb33e415fba5fc0112c2dfd25bd3be4429e
8. 0xc05bc3affc13c3ddd729d67392869218cebd4e989cd24a0fa3aa52a49c828b09
9. 0xc504c0f24b307b02539f1467182646fd1beff10c4bc239f6f8ec47f9ae7ba153
10. 0xe78ab134303979f2a6edb2decbe995dc0bb11a3e542ac7007d6833ae50028729
11. 0x49cc8f2035ca48165d187499d4442647d0afe9d3c61547728b03e4a0494752eb
12. 0x5ab25c2fdf4695beeefb0726a5fc73e189b68f8d9fb2a3f6321ff7223b166fdd
13. 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae