Evidence row 1333

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.neurodynamic.tech/v1/audio/speech"
    ],
    [
      "x402",
      "https://api.neurodynamic.tech/v1/audio/transcriptions"
    ]
  ],
  "name": "api.neurodynamic.tech",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "api.neurodynamic.tech",
    "endpoints": [
      {
        "description": "Introductory pricing. Catalogue narration: 0.005 USDC on Base, up to 1,000 characters, MP3. Seven English voices. No account, reference upload or human approval. Read https://api.neurodynamic.tech/narration. Authorisation verified before work; settlement after successful audio. Retry identical body and proof for 12 hours without a second charge. Generated audio may be reviewed privately by the operator during this temporary quality-review period. Quoted tier price: 0.005 USDC.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "Hello from NeuroDynamic.",
            "group": "body",
            "name": "input",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "bf_emma",
            "group": "body",
            "name": "voice",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.005",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "214",
          "l30DaysUniquePayers": "6"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://api.neurodynamic.tech/v1/audio/speech"
      },
      {
        "description": "Introductory pricing. NeuroDynamic speech-to-text transcription: convert a voice note or short audio recording into a JSON transcript. Up to 60 seconds and 12 MiB; WAV, MP3, FLAC or Ogg. No account needed. Read https://api.neurodynamic.tech/docs for inputs, privacy and payment recovery. 0.01 USDC on Base.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "<binary WAV audio>",
            "group": "body",
            "name": "file",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "whisper-1",
            "group": "body",
            "name": "model",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.01",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": null,
        "serviceName": "",
        "tags": [],
        "url": "https://api.neurodynamic.tech/v1/audio/transcriptions"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "api-neurodynamic-tech",
    "integrationType": "",
    "isNew": false,
    "name": "api.neurodynamic.tech",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.0075",
      "currency": "USDC",
      "maxAmount": "0.01",
      "minAmount": "0.005"
    },
    "provider": "api.neurodynamic.tech",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"4ad2a5f8811cbc08aba161977471d6a6e6977e7387f222de8bab351d1d7f9eb5","id":1333,"kind":"listing","method":"baseline/1","observed_us":1793025253427064,"prev":null,"subject":"agentic_market:api-neurodynamic-tech","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. 0x2114ada7c7f9717bf5fe40b91fad63f05f95f8449807a6bbc44c0c80f59b16ea
2. 0x3bf92f242918449dd86d55f50bced4cdd6f1a0a9fbbc93ea0a89cfc2737772e8
3. 0x2f015472d11a61672b1b7c4e6e2eb0d53bd31545653b68c18a9feb313022f05a
4. 0x307b13d7a746de50f32de4c01c2a2e3788442dccf872bab4496e2a00b479c344
5. 0x3014feeb69788871b6524bc30bbe0a8e3f7766298f0734f7bc5b92d26274facf
6. 0x10d2a2b1a02a5a4ecc8a253fe242a8ca667f752859e50f8627daf9eb1c2b0c4b
7. 0x27e34f13429611a35ae45c2d04226349b17c16dc49040b45a3c236db136f3ca6
8. 0x29e9eef9aea7129cdfe24183b1cce4c803503f07ab183501de9ff25bdbb86d4a
9. 0x8ef6530824615af36b1bd7b35686e238ae98f9a507ea890d03e6d6b3df18d33c
10. 0x6487a391c112421d6d0b92e0372d1e4a5fd6afe541f565a9dde5c636d1ae4643
11. 0x71f472bb5c514dca2395c7842916e5cae63a9c622d8bc8f84b07a986c5ba91a1
12. 0xfde157310fc8513767b162378ca9ceefb2937c374b7381a8887f7ccba8ab5a80
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae