Evidence row 2971

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://nato.openverbs.com/v1/from-morse"
    ],
    [
      "x402",
      "https://nato.openverbs.com/v1/spell"
    ],
    [
      "x402",
      "https://nato.openverbs.com/v1/to-morse"
    ],
    [
      "x402",
      "https://nato.openverbs.com/v1/unspell"
    ]
  ],
  "name": "nato.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "nato.openverbs.com",
    "endpoints": [
      {
        "description": "Decode international Morse code back into text. Letters are separated by whitespace and words by \"/\". Unknown Morse sequences are clean 400s.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "... --- ...",
            "group": "body",
            "name": "morse",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Decode Morse code",
        "tags": [
          "decode morse code",
          "morse code translator",
          "dots dashes to text",
          "morse decoder api",
          "international morse decode"
        ],
        "url": "https://nato.openverbs.com/v1/from-morse"
      },
      {
        "description": "Spell text using the NATO/ICAO phonetic alphabet (A→Alfa, B→Bravo, …), including digits and spaces (→Space). Characters with no phonetic spelling 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": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Spell with the phonetic alphabet",
        "tags": [
          "nato phonetic spelling",
          "spell with nato alphabet",
          "icao alphabet api",
          "text to phonetic words",
          "radio spelling alphabet"
        ],
        "url": "https://nato.openverbs.com/v1/spell"
      },
      {
        "description": "Encode text into international (ITU) Morse code. Letters are separated by spaces and words by \"/\". Supports A-Z, 0-9 and common punctuation; unsupported characters 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": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "Encode Morse code",
        "tags": [
          "text to morse code",
          "encode morse code",
          "morse encoder api",
          "convert text to dots dashes",
          "international morse encode"
        ],
        "url": "https://nato.openverbs.com/v1/to-morse"
      },
      {
        "description": "Turn a string of phonetic words back into text (\"Sierra Oscar Sierra\" → \"SOS\"). Accepts common alternative spellings (Alpha, Juliet, Niner). Unknown words are clean 400s.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Sierra Oscar Sierra",
            "group": "body",
            "name": "words",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.002",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "2"
        },
        "serviceName": "Decode phonetic words",
        "tags": [
          "decode nato phonetic",
          "phonetic words to text",
          "nato alphabet decoder",
          "unspell radio words",
          "alfa bravo to letters"
        ],
        "url": "https://nato.openverbs.com/v1/unspell"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "nato-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "nato.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.002",
      "currency": "USDC",
      "maxAmount": "0.002",
      "minAmount": "0.002"
    },
    "provider": "nato.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "decode morse code",
      "morse code translator",
      "dots dashes to text",
      "morse decoder api",
      "international morse decode",
      "nato phonetic spelling",
      "spell with nato alphabet",
      "icao alphabet api",
      "text to phonetic words",
      "radio spelling alphabet",
      "text to morse code",
      "encode morse code",
      "morse encoder api",
      "convert text to dots dashes",
      "international morse encode",
      "decode nato phonetic",
      "phonetic words to text",
      "nato alphabet decoder",
      "unspell radio words",
      "alfa bravo to letters"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"b2c582b1a958328e8e2a842f05d424aa23c4304ce6c838955d090b2b1fe19d61","id":2971,"kind":"listing","method":"baseline/1","observed_us":1793025268831168,"prev":null,"subject":"agentic_market:nato-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. 0x02019372a6152b4a234223d1b672cbdaf2ddfd92b9116d4abf92f455e977b664
2. 0x1ffd52d76ac4e027eed7afd33cdc875c6c9b78e2fc68e89ef5af5f10ea3310b7
3. 0x535ba9aa7b7f31c00d2ef0578df524501343a61eab56be35978425a64d130571
4. 0x75ec17917d11877b99189d04a50c3c8a62c6082627993261e5e123e78ea2642e
5. 0xa57e36f6e34bb1b9da2e9bba06e1555f0b750f4b8cf194ac6107c84ea2b3d856
6. 0x55f3f63597c42c400e7fa4bf32ed2f626901a6309f077b806743294d4040f647
7. 0xba5a1f8d126632aced27cb084fab924bac79ff2706ca30700fa1825cf785821b
8. 0x0451a97eb9042c698e9901e1c19be7893e3d938ae0dd71404fa28f7469d4a1be
9. 0xc1892e1f31516991ebd2b68b1883c63619880797be155d4c7f6ef90340e294aa
10. 0xb59ab9723c94bb11211a69aab135061f373122c6fca8c5dbfd525237ac1ef164
11. 0x588f372bbaaf730e538542f070b005c0dd23fdb8c7f43a940481de0c1681aae1
12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae