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Evidence row 3420

Observed , by baseline/1.

Kind
listing
About
source_record agentic_market:qr-api-production-1836-up-railway-app
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c00a882b9ee60b684ac75d745af66da4a1e0073e3b05e280ed4c678607bd711d
Leaf
0x862586418dfe2286450dca8cf75dc8628ce99dda47b53c28316cae1888ffd68c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://qr-api-production-1836.up.railway.app/decode"
    ],
    [
      "x402",
      "https://qr-api-production-1836.up.railway.app/generate/basic"
    ],
    [
      "x402",
      "https://qr-api-production-1836.up.railway.app/generate/batch"
    ],
    [
      "x402",
      "https://qr-api-production-1836.up.railway.app/generate/styled"
    ]
  ],
  "name": "qr-api-production-1836.up.railway.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "qr-api-production-1836.up.railway.app",
    "endpoints": [
      {
        "description": "Decode QR/barcodes from a base64-encoded image; returns each detected code's type, decoded text, bounding rect, and polygon.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "iVBORw0KGgoAAAANSUhEUgAAASIAAAEiCAYAAABdvt+2AAAABmJLR0QA/wD/AP+gvaeTAAAF...",
            "group": "body",
            "name": "image_base64",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://qr-api-production-1836.up.railway.app/decode"
      },
      {
        "description": "Generate a QR code PNG (returned base64-encoded in JSON) for any text or URL using default black-on-white styling.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://payapi.market",
            "group": "body",
            "name": "data",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://qr-api-production-1836.up.railway.app/generate/basic"
      },
      {
        "description": "Generate up to 20 QR codes in one call; returns a per-item record with QR metadata and the base64 PNG, or an error per item.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "items",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://qr-api-production-1836.up.railway.app/generate/batch"
      },
      {
        "description": "Generate a styled QR code PNG (base64 in JSON): custom foreground/background hex colours, module size, border, and error-correction level.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "#ffffff",
            "group": "body",
            "name": "back_color",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 4,
            "group": "body",
            "name": "border",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 10,
            "group": "body",
            "name": "box_size",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://payapi.market",
            "group": "body",
            "name": "data",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "H",
            "group": "body",
            "name": "error_correction",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "#1d4ed8",
            "group": "body",
            "name": "fill_color",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://qr-api-production-1836.up.railway.app/generate/styled"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "qr-api-production-1836-up-railway-app",
    "integrationType": "",
    "isNew": false,
    "name": "qr-api-production-1836.up.railway.app",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.001",
      "currency": "USDC",
      "maxAmount": "0.001",
      "minAmount": "0.001"
    },
    "provider": "qr-api-production-1836.up.railway.app",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"c00a882b9ee60b684ac75d745af66da4a1e0073e3b05e280ed4c678607bd711d","id":3420,"kind":"listing","method":"baseline/1","observed_us":1793025273199792,"prev":null,"subject":"agentic_market:qr-api-production-1836-up-railway-app","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. 0x862575d11a6215b32f44e4d4e1b1fbe5f22049e24179d961be0170ec95e32795
  2. 0x5ac318ce4fda52e6424d8f1b3be8372dd8cef7d3b4ba1d5ae1f0ec4f9ae4f587
  3. 0x9fd24dbe99e9c11a692657c38a35ad1a43daf54055d083f3615e6af02522fa5a
  4. 0xdc8051ffa6a71362a12aee8b9d76aa0f8e1bc87d5933d8ae5b786105f381eba4
  5. 0xf042a8e9bf3e999693d1fe11b8728b7ceacce14681ed60ef05ebc5a302632cdb
  6. 0xca74312c7d2e5c78b2075b81900939378bff0a0d2f11aa4dda8541262ac4ed42
  7. 0xb1d8603c87c404d362872cf2200ba1c1c8f6f56c411815d82f531b343e864246
  8. 0xaa644cdc7aae2538f9860d131147da59759cd9ff92cd8fb1a2d8177445e5633e
  9. 0xd5e7fe5e22d0f721add84c87198cf47b769770c1756b2a9721525c366e108dbc
  10. 0x0d847b9eb30e194e701d2d4f8af4f34ef43f6c033fe5e001b93f122bdbea7c80
  11. 0xd6d2fb435c815b0341c19086a636cc9a706a6129405e2030054a243942b686fe
  12. 0x146f43471a3bde6d8a04e87b6afd3ee6860c6e38a009f86aee705ce722b67748
  13. 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
  14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON