addrbookFor publishers
← The evidence ledger

Evidence row 120145

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://saylorinnovations.com/api/kb/how-to-grow-a-youtube-channel-full-guide
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
60892d47142ca5583ad8a17adf645121791ae103877f845bcd350d3e11dd9b9b
Leaf
0x6491af1d011318f7e8681e1de2fbce5917e26e56961f29347b231babf6b7d4f2

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": 3,
      "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":"60892d47142ca5583ad8a17adf645121791ae103877f845bcd350d3e11dd9b9b","id":120145,"kind":"listing","method":"baseline/1","observed_us":1793025617418795,"prev":null,"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 (296695 rows).

  1. 0x64919af7bc419d6f646ca644d87b3c46d99a2b1cd53b9b74a74151ed36481c27
  2. 0x55e0fbdff7b926cd9d49c70a316ab2223de8dcff2fba837acbae9ca3003e7226
  3. 0x3579c7e0ff413f65e8b42023ce0ec27f224aa9f464807710f2cac41e9fa7567b
  4. 0x928f25120e7f991ccd77bfc7956732150a30ec5a8f93933cf4d98d53ebee1022
  5. 0x78720304972cadc608ee42aef1fa4940bf1486a18b074a50bd279e373b5dcb4f
  6. 0xc6268c81ff44b402576df89080180ba04cf99fcfac34949d7b891ca6f215efc4
  7. 0x4ba1ca5c15f0576f977bd7ee47a87a7fa76bf447c2f7c9d965fda9e5f7678b54
  8. 0xda82233d5b48818813b93e1e4c0deaedeb7367ea0aa65bb7a0c5a6306eb75d2a
  9. 0x3e40bb504d6f3ba220d343b5af0b1cf9cdcebd5f5177541ae602168c61dba512
  10. 0x5c7852987d8ba6fe5828113f999ad1e12b76c7a3c2b6883b95308389647679d3
  11. 0x4008ba50886e166082b39cf7d2aabf1793fbc0c9ee377f5c8c84131ff6d65579
  12. 0x3c8355143bb13802401d5a80f8a70809a59f429bc298f4912731fc8d207e4f43
  13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
  14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON