Evidence row 21666

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://braille.openverbs.com/v1/decode"
    ],
    [
      "x402",
      "https://braille.openverbs.com/v1/encode"
    ],
    [
      "x402",
      "https://braille.openverbs.com/v1/from-dots"
    ],
    [
      "x402",
      "https://braille.openverbs.com/v1/to-dots"
    ]
  ],
  "name": "braille.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "braille.openverbs.com",
    "endpoints": [
      {
        "description": "Transcribe a Unicode braille string back to text, honouring capital and number signs. Non-braille or unmapped cells are clean 400s.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "⠠⠓⠑⠇⠇⠕",
            "group": "body",
            "name": "braille",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "11",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Braille to text",
        "tags": [
          "braille to text",
          "braille decoder",
          "parse braille cells",
          "unicode braille translation",
          "decode braille string"
        ],
        "url": "https://braille.openverbs.com/v1/decode"
      },
      {
        "description": "Transcribe text to Unicode braille (grade-1 / uncontracted English braille), with capital and number signs. Characters with no grade-1 representation are clean 400s.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "text",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "11",
          "l30DaysUniquePayers": "5"
        },
        "serviceName": "Text to braille",
        "tags": [
          "text to braille",
          "braille encoder",
          "transcribe braille text",
          "unicode braille conversion",
          "grade one braille"
        ],
        "url": "https://braille.openverbs.com/v1/encode"
      },
      {
        "description": "Build braille cells from raised-dot numbers (each cell an array of 1–8). Out-of-range or repeated dots are clean 400s.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "cells",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "12",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "Dot numbers to braille cells",
        "tags": [
          "dots to braille",
          "braille cell builder",
          "convert dot numbers",
          "braille from dots",
          "raised dots to unicode"
        ],
        "url": "https://braille.openverbs.com/v1/from-dots"
      },
      {
        "description": "Break a braille string into its cells and the raised-dot numbers (1–8) of each cell.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "⠓⠊",
            "group": "body",
            "name": "braille",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "11",
          "l30DaysUniquePayers": "4"
        },
        "serviceName": "Braille cells to dot numbers",
        "tags": [
          "braille dot numbers",
          "braille cell dots",
          "parse braille dots",
          "braille dots lookup",
          "raised dot numbers"
        ],
        "url": "https://braille.openverbs.com/v1/to-dots"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "braille-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "braille.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "braille.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "braille to text",
      "braille decoder",
      "parse braille cells",
      "unicode braille translation",
      "decode braille string",
      "text to braille",
      "braille encoder",
      "transcribe braille text",
      "unicode braille conversion",
      "grade one braille",
      "dots to braille",
      "braille cell builder",
      "convert dot numbers",
      "braille from dots",
      "raised dots to unicode",
      "braille dot numbers",
      "braille cell dots",
      "parse braille dots",
      "braille dots lookup",
      "raised dot numbers"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"e8ec00f434f76e3e2c4372f14b5ae1dd49f90f7f9f9e6bdea5137e4ac88407e0","id":21666,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025340804331,"prev":1718,"subject":"agentic_market:braille-openverbs-com","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. 0x61b0341a352a2e6325299855382533833d5f3ad637666c9f851149824cdd6b7d
2. 0x63870c2cd6cf0c7aa4440565cad509b688f506654b7218c3969fb14149b6b20b
3. 0x5cfe5722948f16451355dda9a916b29456b528ffc97057a72ad11dbf0e56786c
4. 0x9b36e8c8e2f6024a9b8627f7e7cf398383c069c389c8c9de123a038ec2628142
5. 0x4549f281a1f172f0b65719ebcf81cddee5ec5b76dbd433b9652aa3916f38d6c7
6. 0x05b2de152be57fe6cad83654a5d6151d00698c94565d84a927aa46baeea6c882
7. 0xc5ced86d03a81afa21800a4a9984a557d836510ecf0412315823a4a888f6be3b
8. 0xa2fc77aa5fb6dfa6ce82b8efc96d9b7f48a326a199836649c69fc533ab72ab4c
9. 0xa37388fe7781d4697925f4d021ff2138a2bb48ed9b15b66fa2e895252b2d7f8a
10. 0x7c4a137a143139d8d27a5db1f0f237b9e722329094da7356bef539103a830211
11. 0x3d00f56ff37fbd465b8abeb2be25801b2734d79745152d15324c296fa2518752
12. 0x7285c0b02d1aedd949b8ba0c7b2499f7121588ebdd4c96ef8725919bb84dd534
13. 0x89fcaf55e37dd777228f271b79ea895534a66ec0d184363c2a6eb1b4d23c9ef1
14. 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae