Evidence row 72797

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://creator.halowerk.com/v1/watermark-embed"
    ]
  ],
  "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": "Normalizes whitespace, inserts a caller-supplied visible marker after every selected number of words and at the end of a final partial interval, then reports source and output digests. This deliberately visible text annotation is not a robust image, audio or cryptographic watermark and can be removed by editing.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "bodyType": "json",
            "exampleUrl": "https://creator.halowerk.com/v1/watermark-embed/schema#/requestExample",
            "method": "POST",
            "schemaUrl": "https://creator.halowerk.com/v1/watermark-embed/schema#/inputSchema",
            "type": "http"
          },
          "output": {
            "example": {
              "insertion_count": 3,
              "limitation": "visible_text_annotation_not_robust_or_cryptographic_watermarking",
              "marker": "[WM:HALOWERK:demo-42]",
              "method": "deterministic visible text-marker insertion at fixed word intervals",
              "normalized_source_sha256": "dae1b19a5bc10fe25f7dd80364999ab285dcf514a656868d739c0add87c2aead",
              "output_sha256": "1d445f2347cff83556f13fae8337210ddbb48d4339f17ad36d05b6e2e060dc25",
              "watermarked_text": "A deterministic marker makes provenance [WM:HALOWERK:demo-42] visible while keeping the transformation [WM:HALOWERK:demo-42] easy to audit and reverse. [WM:HALOWERK:demo-42]"
            },
            "exampleUrl": "https://creator.halowerk.com/v1/watermark-embed/schema#/outputExample",
            "schemaUrl": "https://creator.halowerk.com/v1/watermark-embed/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": "2026-10-25T18:48:00.148Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T18:47:59.939Z"
    },
    "resource": "https://creator.halowerk.com/v1/watermark-embed",
    "serviceName": "HALOWERK creatorwerk",
    "tags": [
      "iot",
      "watermark",
      "text"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Normalizes whitespace, inserts a caller-supplied visible marker after every selected number of words and at the end of a final partial interval, then reports source and output digests. This deliberately visible text annotation is not a robust image, audio or cryptographic watermark and can be removed by editing."
}

What the leaf hashes

{"body":"8c8ba25396ed2e9be4ebce8a94fc325d0665266205690e896452e628e28e94d5","id":72797,"kind":"listing","method":"baseline/1","observed_us":1793025486496634,"prev":null,"subject":"x402_bazaar:https://creator.halowerk.com/v1/watermark-embed","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. 0xc97a5106ddb93de6c643da56029f8221545bcee3fe078bed62ab1216fe8b25d0
2. 0x616eeeb9da97e54d6db7b158d89a2505b318f7f14259427933afe7b2571721d6
3. 0xb17619d45bfaa7f359a4764521ef2c28f8765f4430061ee777c5d6ce89be239a
4. 0xad31919661979748c68dab0aeded816ed43266f9f4d64197fc420fc27d716f3a
5. 0x653f9210c6f6a603c5d01f6d12ff91c922149fcb68884e1aa0fec8f333760dc9
6. 0x056dcb3a1d70d0aeb41c1fdc14bc00e16f360d8f78be46f4f8170a41465b6212
7. 0xd9de300ce6267ed124377e0fe2f6ee82b4bf05dded1381e54d20f218f990f9a4
8. 0xdab1c71f9258d7059c0c5634ad7029bed9ce6c386a72963ca560c7a63a7bded7
9. 0x19371ac31dc54dd266460f6772fd154ff43f2492dbc49df948134b9503159020
10. 0xaf49c58b07f643adc422bcd56cf09b773ac862513c92c8ec09dac6240a88a8cc
11. 0xde080106ffe5b9071b2505ae31b17f7da4d3a9c7f4f4d9819f700d720702beeb
12. 0xde09984239f27618a13932caf48f5d39831fc5021500b0581dce0dabd570bd6e
13. 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae