Evidence row 32738

What was observed

{
  "endpoints": [
    [
      "web",
      "https://aicostbudget.com/en/datasets/ai-api-pricing"
    ]
  ],
  "name": "AICostBudget AI API Pricing",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-21T11:39:03.648189Z",
        "status": "active",
        "statusChangedAt": "2026-10-21T11:39:03.648189Z",
        "updatedAt": "2026-10-21T11:39:03.648189Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read-only source-linked AI API prices, comparisons, cost estimates, and price changes.",
      "name": "io.github.aicostbudget/ai-api-pricing-mcp",
      "packages": [
        {
          "identifier": "ai-api-pricing-mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/mcp-server",
        "url": "https://github.com/aicostbudget/ai-api-pricing-data"
      },
      "title": "AICostBudget AI API Pricing",
      "version": "0.1.0",
      "websiteUrl": "https://aicostbudget.com/en/datasets/ai-api-pricing"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only source-linked AI API prices, comparisons, cost estimates, and price changes."
}

What the leaf hashes

{"body":"a5fa18da2fc12d97f4acd25ce7040ec34fb569c1166f72bb25c1443e1fb4b3fe","id":32738,"kind":"listing","method":"baseline/1","observed_us":1793025366868066,"prev":null,"subject":"mcp_registry:io.github.aicostbudget/ai-api-pricing-mcp","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. 0x6c64e16e7325539bd31f4da91a7b1e4074d0fc7e742c48cdc5a445e6ba8b0a73
2. 0x5a9a03d2eee8c4437cd6484f56809fe9022fbcf5de5161b83a9e7f431d8a8cfe
3. 0x3836b141b504810092e5a68f8b1b45094169072ecf8007aefb36d281c87f0e9f
4. 0xbfedd9bbe0f0d120def123c2ce5c28b6110ffde427775a6d5b730bba89fad94f
5. 0xfb4092c9d1e3a8d3769b38cb006dc884db8e3459bf8c91d74c925f33e78be19f
6. 0x08c9bec250293f0e5fa58b76943ac14271e982a51332928b8baab59a1ccfb32d
7. 0x96415c09b33b7f0e07d6a10f350f915ae2f2e03740b815274d453f34c48296eb
8. 0x140fe2c61e7f0b1b14d704a1cbee2ccd7a6451f589ebe44dd7585cee25f5fab5
9. 0x1a37c86fce14864e42bd2296d96ce1abef13b9e0b95aa70b0762defaf596562a
10. 0x1631828b23a467fa68c73bdcda698bee8945c692a3555bc7926782e27495a209
11. 0xaf4d0478104c20d31096b9739629a924615768419c52449971b47a4881ebc159
12. 0x929b3f59cbf01edbae456522161805dd51e098dc3a66d845508de46581bb953c
13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae