Evidence row 56105

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://www.rateranger.io/api/mcp"
    ],
    [
      "web",
      "https://www.rateranger.io/for-agents/"
    ]
  ],
  "name": "Rate Ranger",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-03T06:31:09.198478Z",
        "status": "active",
        "statusChangedAt": "2026-09-03T06:31:09.198478Z",
        "updatedAt": "2026-09-03T06:31:09.198478Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Watch a hotel's price after your user booked it, and email them when it drops enough to rebook.",
      "name": "io.rateranger/hotel-price-monitor",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://www.rateranger.io/api/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/halymich/rate-ranger-api"
      },
      "title": "Rate Ranger",
      "version": "1.0.0",
      "websiteUrl": "https://www.rateranger.io/for-agents/"
    }
  },
  "source": "mcp_registry",
  "summary": "Watch a hotel's price after your user booked it, and email them when it drops enough to rebook."
}

What the leaf hashes

{"body":"4b1116ec40ddc44a9adc7b56a198e3c04acd8d422ff69965d0a6f4a7e9c6f84e","id":56105,"kind":"listing","method":"baseline/1","observed_us":1793025436520631,"prev":null,"subject":"mcp_registry:io.rateranger/hotel-price-monitor","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. 0x59d3915aee33e6e7be34fe7471bfde8272a74cbda88df25c9491991610416b8e
2. 0x0c0573f3143438a61990144a71440ffcc5b334e94b9153a1010ad0eb36048807
3. 0xcda419399c9186b5f54ddd4659043acf57d0a750a3bf0cf68c5e5be6d09c0b64
4. 0x10f9a055ca211f893654b980d399bbcea37218369a1a2e83d77f8f6a69747a85
5. 0x9dd22ef0fe3beb6aa5974ea3068a58304af3d8f379c7ec6244df188e21799c0e
6. 0x17b291042a5822a60af737e454758e33a23069b07835cbd9074b62c520a7e30f
7. 0x3225a313aecab48c1f4ef272d5326288f3697fb8a731c1776edf18b53aa087ce
8. 0xb6e07e0c43bacd07643b7cf89d943790d77217816fd60433b71c236e9cf96823
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