Evidence row 118943

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://qr.openverbs.com/v1/decode"
    ]
  ],
  "name": "Decode QR / barcode",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Read the text out of a QR code or barcode in a PNG or JPEG image. Auto-detects QR, DataMatrix, PDF417, Aztec and 1D symbologies (Code128/39/93, EAN-13/8, UPC-A/E, ITF, Codabar). A valid image with no code returns { found: false }; a payload that is not a parseable image is a 400.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVR4AWP4DwQACfsD/c8LaHIAAAAASUVORK5CYII="
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "image": {
                      "description": "The image containing the code — a PNG or JPEG, as a base64 string or a data: URL.",
                      "maxLength": 12000000,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "image"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:38:33.569Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:38:33.303Z"
    },
    "resource": "https://qr.openverbs.com/v1/decode",
    "serviceName": "Decode QR / barcode",
    "tags": [
      "decode qr code",
      "scan barcode image",
      "read qr barcode",
      "barcode decode api",
      "extract code text"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Read the text out of a QR code or barcode in a PNG or JPEG image. Auto-detects QR, DataMatrix, PDF417, Aztec and 1D symbologies (Code128/39/93, EAN-13/8, UPC-A/E, ITF, Codabar). A valid image with no code returns { found: false }; a payload that is not a parseable image is a 400."
}

What the leaf hashes

{"body":"7d211e41b1efe70cf3bf0ba5c0422d1dc2161737b7fd47c50c946f6854af2de0","id":118943,"kind":"listing","method":"baseline/1","observed_us":1793025614044085,"prev":null,"subject":"x402_bazaar:https://qr.openverbs.com/v1/decode","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. 0x7598548158a95aacfca01cdefb3f274c1c9d1e2e01a7b26339615d431b79445e
2. 0x831fdce5504a5690eb9e4705890f85a4681620fe007d1dc50a59e03e549bd841
3. 0x665f398a3b6679b9ab6839e895ef04f7beb869aab6d0e7e8788872b360682f7f
4. 0x7fce37fa84373e0f5613c877d9127ef0155f83d01dcbd55ca85ef709cdbb7dc4
5. 0xe841835f86dfe75300b59c33c8d562f1406a61903234ae54c2cab2b49d89f132
6. 0xd726836725dd24e81fe2963837d977873865aee6893b992dec920efaf468fe1f
7. 0x21ba10e1a211cf857aceb183b1da5934e3054523897ed571e725ee8e9b8d766f
8. 0x0a2559f1905977cce6e163161d8d95a75eada3daae878a93691642bdfc3b4e13
9. 0x528dd18f50b92eaed3d5ec141250b283a7673bd8a60d7bab710c19253b03bfda
10. 0x32fc3b4924b2ed62acb146c2238d1a5ccc6a451511d89297319be57be5e16c50
11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
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