Evidence row 45116

What was observed

{
  "endpoints": [
    [
      "web",
      "https://olano.ai/"
    ]
  ],
  "name": "Singapore MCP by Olano",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-04T04:51:27.653112Z",
        "status": "active",
        "statusChangedAt": "2026-10-04T04:51:27.653112Z",
        "updatedAt": "2026-10-04T04:51:27.653112Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "documentation": "https://github.com/olano-ai/mcp-singapore#readme",
          "examples": [
            {
              "description": "Combine public property, rail, address, amenity, and weather context for a Singapore area.",
              "name": "Research a neighbourhood"
            },
            {
              "description": "Search public ACRA entities and add official Singapore business and economic context.",
              "name": "Research a company"
            },
            {
              "description": "Search station complexes, lines, codes, exits, interchanges, and nearby stations.",
              "name": "Explore MRT and LRT"
            },
            {
              "description": "Align Singapore economic series by period and produce transparent statistics and charts.",
              "name": "Analyse public time series"
            }
          ],
          "keywords": [
            "singapore",
            "public-data",
            "transport",
            "mrt",
            "property",
            "business",
            "economy",
            "weather",
            "analytics",
            "olano"
          ],
          "publisher": "Olano"
        }
      },
      "description": "Singapore public data, transport, rail, property, business, economy, weather, and analytics.",
      "name": "io.github.olano-ai/mcp-singapore",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional data.gov.sg API key for production limits.",
              "isSecret": true,
              "name": "DATA_GOV_SG_API_KEY"
            },
            {
              "description": "Optional OneMap token for geocoding, routing, themes, and address-based rail lookup.",
              "isSecret": true,
              "name": "ONEMAP_TOKEN"
            },
            {
              "description": "Optional LTA DataMall Account Key for dynamic transport APIs.",
              "isSecret": true,
              "name": "LTA_DATAMALL_API_KEY"
            },
            {
              "description": "Optional private directory for the persistent public-response cache.",
              "name": "OLANO_SG_CACHE_DIR"
            },
            {
              "choices": [
                "all",
                "mobility",
                "property",
                "business",
                "economy",
                "civic",
                "finance"
              ],
              "default": "all",
              "description": "Optional aggregate tool profile: all, mobility, property, business, economy, civic, or finance.",
              "name": "OLANO_SG_PROFILE"
            }
          ],
          "identifier": "@olano/mcp-singapore",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.4.3"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/olano-ai/mcp-singapore"
      },
      "title": "Singapore MCP by Olano",
      "version": "0.4.3",
      "websiteUrl": "https://olano.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Singapore public data, transport, rail, property, business, economy, weather, and analytics."
}

What the leaf hashes

{"body":"c74ee2c750aa93e1218896d3e0a0243e3bbf8f0124e7b2872725f84ac1146961","id":45116,"kind":"listing","method":"baseline/1","observed_us":1793025405988276,"prev":null,"subject":"mcp_registry:io.github.olano-ai/mcp-singapore","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. 0x7e47a2d41c2e68a8d7257778939ebddaca9d601cdd06a03a9ed7ea47a5636c7d
2. 0x44ba0164cc5eead0227c8f5ecc723206723d4ed7eecce78f1fd2bb6f5a68b574
3. 0x7ac1fd86415cd26642f62ecc8b46baf6389046c818667594a7bad4a94c72ee60
4. 0x97ff75415ed515c18dcef1a87a5c9f7e9bc8a2f415f79e9a08855bb817927895
5. 0xd5750fb69fe8924bde76462b72be68f0c443a4e9ac848090a7ddfa4828ca6915
6. 0x624ea70d3fedf318abf1c416c43a0e19c8d6e16046b25c9db18b497c95bedc99
7. 0x05d52221d7846103bb4a0b1f8657afcc96ca97a78a051c1b9cd520849f468b5a
8. 0x39b7bdf8346ee40a433e89dd598296cdac633b4a46c3744497041c3e324ebd50
9. 0x7d6ff8d99565f9f3d177151c94c94ffb5c789a5608dacd07ddde5b20f0151c26
10. 0x2718d6dca57166b1f1fa238e8a139e4cdbab7b7485a09970fff985d3b3878bfd
11. 0xaf10e841089e5989890dc77ffce42a46564d25ef15f30d1e35bf53a495483ad4
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae