Evidence row 51019

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-ulaanbaatar/mcp"
    ]
  ],
  "name": "Asia/Ulaanbaatar clock",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T09:42:24.22488Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T09:42:24.22488Z",
        "updatedAt": "2026-09-09T09:42:24.22488Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Current local time in Asia/Ulaanbaatar.",
      "name": "io.github.sadri-dridi/tz-asia-ulaanbaatar",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-ulaanbaatar/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "Asia/Ulaanbaatar clock",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Current local time in Asia/Ulaanbaatar."
}

What the leaf hashes

{"body":"fb9d71533d12f408713217ab6d2fe5151365f9630b10dc96f477017c71d342e4","id":51019,"kind":"listing","method":"baseline/1","observed_us":1793025416699219,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/tz-asia-ulaanbaatar","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. 0x59b89660f70d52285e25fdca7a589a19133513f8b5ae7559b4c4506bf41aba6c
2. 0x23207517be39acdfa41e72d51927254e00fc883dc94be5de2420e22ad6f2fccf
3. 0x7147d793e00446afe86557489c4456295d2f27c11b8c4f64b509a9c80bfa02ab
4. 0x891691df91e71c99aa682da5d2842f4b89e05b27cd50c8d11d4177d734f69450
5. 0xe79bf4826e84672824cd8fdf1fa4f8d82c583c2f8783d68881962bcdc0308bbe
6. 0xe9a21fdb39f036fafb185eef592693ed8497d2abad94fcf219c7da4512faa54b
7. 0xa0aa67c7bd40c1c0f4de684beb68c391b02cb6320391c5099253626a82c040ee
8. 0x38943124942d8428380e4d121c872e70e8723046c88ccf0fe22f451d0bf69410
9. 0x9fe2b5bb49c3c1c0cfb9a7e2175505abb418851419201d4ff747b61a8778232a
10. 0x109a3cbe67d20751c1bafc45b08ecc03404d3cc4decd7b239de884bc7e6340d6
11. 0x3ada80dcde3daf850269166ea2ab667084c23fe8ab3b3994664b930470ebdef7
12. 0xf522fa92d4115c2b18b96aa43119f8df9b4e96c92f5d6449d0fe96dcd4bf324c
13. 0xc8abb13c711b67d9f1ef145286ed450a0f5566f054a4b290ea3d711873bcbe20
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae