Evidence row 72793

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://creator.halowerk.com/v1/thumbnail-ctr"
    ]
  ],
  "name": "HALOWERK creatorwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Updates one shared beta prior with each variant’s supplied clicks and non-clicks, reports posterior means and bounded normal-approximation 95% intervals, and ranks by posterior mean. It does not run an experiment, correct assignment bias, prove significance or predict future performance under distribution shift.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "bodyType": "json",
            "exampleUrl": "https://creator.halowerk.com/v1/thumbnail-ctr/schema#/requestExample",
            "method": "POST",
            "schemaUrl": "https://creator.halowerk.com/v1/thumbnail-ctr/schema#/inputSchema",
            "type": "http"
          },
          "output": {
            "example": {
              "interval_method": "normal_approximation_to_beta_posterior",
              "leading_variant": "text-led",
              "limitation": "descriptive_supplied_counts_no_randomization_or_distribution_shift_model",
              "method": "beta-binomial posterior CTR mean and normal-approximation interval",
              "ranked_variants": [
                {
                  "approximate_interval_95": [
                    0.063600134,
                    0.072575705
                  ],
                  "name": "text-led",
                  "observed_ctr": 0.068016529,
                  "posterior_alpha": 824,
                  "posterior_beta": 11278,
                  "posterior_mean_ctr": 0.068087919
                },
                {
                  "approximate_interval_95": [
                    0.060729317,
                    0.069410983
                  ],
                  "name": "close-up",
                  "observed_ctr": 0.065,
                  "posterior_alpha": 807,
                  "posterior_beta": 11595,
                  "posterior_mean_ctr": 0.06507015
                },
                {
                  "approximate_interval_95": [
                    0.052861688,
                    0.061211887
                  ],
                  "name": "wide-shot",
                  "observed_ctr": 0.056962025,
                  "posterior_alpha": 676,
                  "posterior_beta": 11176,
                  "posterior_mean_ctr": 0.057036787
                }
              ]
            },
            "exampleUrl": "https://creator.halowerk.com/v1/thumbnail-ctr/schema#/outputExample",
            "schemaUrl": "https://creator.halowerk.com/v1/thumbnail-ctr/schema#/outputSchema",
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": true,
          "properties": {
            "input": {
              "additionalProperties": true,
              "properties": {
                "bodyType": {
                  "const": "json"
                },
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "method": {
                  "const": "POST"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": true,
              "properties": {
                "exampleUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "schemaUrl": {
                  "format": "uri",
                  "type": "string"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:49:59.792Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T18:49:59.574Z"
    },
    "resource": "https://creator.halowerk.com/v1/thumbnail-ctr",
    "serviceName": "HALOWERK creatorwerk",
    "tags": [
      "iot",
      "thumbnail",
      "ctr"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Updates one shared beta prior with each variant’s supplied clicks and non-clicks, reports posterior means and bounded normal-approximation 95% intervals, and ranks by posterior mean. It does not run an experiment, correct assignment bias, prove significance or predict future performance under distribution shift."
}

What the leaf hashes

{"body":"08bea1cc9c2bc8f06b636e3482441b88efaedcc04d0cb9381648f6b62fc6b75a","id":72793,"kind":"listing","method":"baseline/1","observed_us":1793025486493100,"prev":null,"subject":"x402_bazaar:https://creator.halowerk.com/v1/thumbnail-ctr","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. 0x773bcf8048fad3f032fe6f9cfc53360c5afa480aa9c63800518f94533580bea9
2. 0xe1647f85ef98d21c532d2e672fb9c371c337a9ed484f7a2e9626a198b60e26b5
3. 0x4ac788c4961f349b067f21b2b32f653a3a4d564c2cbd0cac99ca81949ad171bd
4. 0xa6befba8b7cd1b70c1fd6bc61767db176fa13a057166f9338cab3ed0458e8e2c
5. 0x0ab339a7fbe36c6e10d09619f7352d9488219fe634a0c75da60b24cfecc0021b
6. 0x5e49754a856512525364daff9646cf111263115e749ae796568b81c751cc8ed5
7. 0x18c52690d0c4bca30231ba58b912dbc5d10ca6ec31ce640985cbcd314f7138ac
8. 0xd3bae5313ab3d2bd4d51bb9ec0008e3d62ed5381a51bbceb5dd0d65c62c566f8
9. 0xa60cb04f271a4bf19685fb57224cee257668e691285287d8827f8ab8edfb9129
10. 0xb543a7014a7da7ab1677250ea2e4cf5246b237487bd67575741c51bad8f72af0
11. 0x2b0f6f9a9d5201404fd0cd99316c4ea1c2b3853278de26cb244fc2433c8b6831
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae