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Evidence row 1791880

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/kb/how-to-grow-a-youtube-channel-full-guide
Recorded
Previous row
#120145
Body SHA-256
8dc9d2c97382eb5444ccb05228c3c4e6bf154eb18c5f854dcab2acae3e3d499c
Leaf
0xfce0cf18a29c612011341727f4ebc4be200fc78eead5f823006f552470fa91cc

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://saylorinnovations.com/api/kb/how-to-grow-a-youtube-channel-full-guide"
    ]
  ],
  "name": "Saylor Innovations Guide Library",
  "owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "facilitatorOnly": true,
          "memo": "saylor:how-to-grow-a-youtube-cha",
          "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:how-to-grow-a-youtube-cha",
          "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:how-to-grow-a-youtube-cha",
          "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:how-to-grow-a-youtube-cha",
          "reference": "4ZuSNtS5X41KmA26W7M1hCbc6DuQeMeYVCpFEVAbySZZ",
          "session": "eyJhcnRpY2xlSWQiOiJob3ctdG8tZ3Jvdy1hLXlvdXR1YmUtY2hhbm5lbC1mdWxsLWd1aWRlIiwicmVmZXJlbmNlIjoiNFp1U050UzVYNDFLbUEyNlc3TTFoQ2JjNkR1UWVNZVlWQ3BGRVZBYnlTWloiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ2NTk2ODE2OH0.5Yd2T2sbFdauFKI9ve0E3uHyuIuEnU75yF1yTQLuZdw"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "memo": "saylor:how-to-grow-a-youtube-cha",
          "reference": "AUsiNMgsVugSgWf6BXscH93RPi2iwV2J8BYmLWT4tDDY",
          "session": "eyJhcnRpY2xlSWQiOiJob3ctdG8tZ3Jvdy1hLXlvdXR1YmUtY2hhbm5lbC1mdWxsLWd1aWRlIiwicmVmZXJlbmNlIjoiQVVzaU5NZ3NWdWdTZ1dmNkJYc2NIOTNSUGkyaXdWMko4QlltTFdUNHRERFkiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjQ2NTk2ODE2OX0.LqHPW9M4vG6dmzrT6bRmFiyenLUS-1c6tnCAyYTTVEY"
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      },
      {
        "amount": "92222",
        "asset": "So11111111111111111111111111111111111111112",
        "extra": {
          "memo": "saylor:how-to-grow-a-youtube-cha",
          "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": "95075",
          "reference": "B3MnBXNFjsFpesw7mayA39R3fRkka23tnj4DoznBvgd8",
          "session": "eyJhcnRpY2xlSWQiOiJob3ctdG8tZ3Jvdy1hLXlvdXR1YmUtY2hhbm5lbC1mdWxsLWd1aWRlIiwicmVmZXJlbmNlIjoiQjNNbkJYTkZqc0ZwZXN3N21heUEzOVIzZlJra2EyM3RuajREb3puQnZnZDgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTIyMjIsImV4cCI6MTc5MjQ2NTk2ODE2OX0.I9QNjZvULMIQdodH2wgOpDmO_osCWjbxl771NQG0vL4",
          "solUsdPrice": 105.18
        },
        "maxTimeoutSeconds": 120,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
        "scheme": "exact"
      }
    ],
    "description": "YouTube channel growth guide - CTR, watch time, thumbnails, titles and A/B testing from a 900k channel",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "body": "YouTube growth fundamentals from a 900k-subscriber channel: how the algorithm favors CTR and watch time together, the two metrics that matter (4–10%+ CTR and average view duration), thumbnail/title curiosity formulas with A/B testing, and content tactics — strong hooks, consistent cadence, and fast comment engagement.",
              "c": "Content & Growth",
              "id": "how-to-grow-a-youtube-channel-full-guide",
              "t": "How to Grow a YouTube Channel — Full Guide"
            },
            "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": {
                    "body": {
                      "description": "Main body text",
                      "type": "string"
                    },
                    "c": {
                      "description": "Category of the guide",
                      "type": "string"
                    },
                    "id": {
                      "description": "Identifier of the record",
                      "type": "string"
                    },
                    "license": {
                      "description": "License identifier",
                      "type": "string"
                    },
                    "price": {
                      "description": "Price",
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "t": {
                      "description": "Title of the guide",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "t",
                    "c",
                    "body"
                  ],
                  "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": "2026-10-20T03:10:48.207Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-20T03:10:47.946Z"
    },
    "resource": "https://saylorinnovations.com/api/kb/how-to-grow-a-youtube-channel-full-guide",
    "serviceName": "Saylor Innovations Guide Library",
    "tags": [
      "youtube",
      "ctr",
      "watch-time",
      "thumbnails",
      "algorithm"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "YouTube channel growth guide - CTR, watch time, thumbnails, titles and A/B testing from a 900k channel"
}

What the leaf hashes

{"body":"8dc9d2c97382eb5444ccb05228c3c4e6bf154eb18c5f854dcab2acae3e3d499c","id":1791880,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559995767676,"prev":120145,"subject":"x402_bazaar:https://saylorinnovations.com/api/kb/how-to-grow-a-youtube-channel-full-guide","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0xfce0b176f35544823bb38e83d469b54db45dcbe9ae5ae79e44536bdeee4eb8d7
  2. 0xac2d6ba9c9fc22a490d2d7cc0f9fb7fa4b25f666e59118ca7e4522d8940dd237
  3. 0xe9725561271a5de404d22c00246256f1fb0fbe49a2489a98e99deb4199b4e6d6
  4. 0xe4f4480277331373e6a3064a42f1421b01ad76051c030ce7be0053d90d8d2534
  5. 0x8e3350db8947dd469c3eeb25936ce9812d5be34ed30006aab740aecde4cd390f
  6. 0x17c3e3360655f8f8ef496fb3ce764416063eaf1c43ec78063ae284caa6c97daa
  7. 0xf87c8c50b42c7457487e002245890dd79d51429692d9a8b77dabfefaf38f316d
  8. 0x8928439b7940ba14877458e13ebb180e0eac1636e50c8f5f41ee3dc897a4a9eb
  9. 0x7effaa79070e535bae251f7d96f68628f9f53153fe6d803c326c3422dd63f1bd
  10. 0x5df999be6e4e5b90cc83d86923fd01350eb6fed47c2349339684157e9408a22f
  11. 0x5b137fe05fb721c0805dfa23ad312a9701f41b440592cdfa2fb07d3c70a50fef
  12. 0xdd6fd2d3474b1652642889f218206189aa3c852f3ef47e11d3a4bd68c1139aab
  13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
  14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
  15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON