Evidence row 1843764

What was observed

{
  "endpoints": [
    [
      "web",
      "https://postalref.com/"
    ],
    [
      "mcp",
      "https://postalref.com/mcp"
    ]
  ],
  "name": "postalref",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T22:38:44.231332Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T22:38:44.231332Z",
        "updatedAt": "2026-11-01T22:38:44.231332Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "USPS package barcodes, service type codes and mailing terms, each cited to its USPS source.",
      "name": "com.postalref/postalref",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://postalref.com/mcp"
        }
      ],
      "title": "postalref",
      "version": "0.2.0",
      "websiteUrl": "https://postalref.com"
    }
  },
  "source": "mcp_registry",
  "summary": "USPS package barcodes, service type codes and mailing terms, each cited to its USPS source."
}

What the leaf hashes

{"body":"29be2def0ff9f5ec6e710e35a453d53745e89cf8e5db51b59ddcf78d93fd3217","id":1843764,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793575072560718,"prev":1503276,"subject":"mcp_registry:com.postalref/postalref","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xfd822907d332fc70ce0c6aef4e662c233cf1715bb738b1974365f51078ed8506
2. 0x7a7ca7ec1269e034812bb392261d2579fd729cdfabbcda50733cbb9a73135d13
3. 0xe00827cc9e8ec7253fdac929becd4e223c4cf1cfdd980653ad426c35586fdee8
4. 0x14da4f1819b728bfcbf2a0fca657e6313cf1aa4a60157eac97c32e357a71ccc1
5. 0xde223e1656945ccc5e960d24834463eb33b80b5cfe4676e528e83fdf31efce1c
6. 0x20965156d0024e46f8e8b43325a78d427ccc20ff8a4229b8fc7a8bea2d1a1df0
7. 0x31b5a291de15e31b2f86e061f7ae1e0c3c2aab5b1a7a522e35372832750b6ef3
8. 0x65bd74376a13f19187a0a431f4240e6603d998d47153db9eb87ce7262a80f9da
9. 0x02b41f8a803f91735facccaca33bd0cf1f04b940ca6e595853e7f3a7a0272cc9
10. 0x32eb167904b299d7b23c1f49d7297a1423c26eea0f7c57ea703c5d7ec3764826
11. 0x7b26a97b89f51e693decf68956149933d415ce69228c77621b385858543f426c
12. 0xf7591c985d9cb23ce20ca955bee97f41fd017c55aeecc11989372ad7a6b425a1
13. 0x904a0ef836cb4b2dd139024d3379cfab31fd3b5798d155735069733eb5c3551b
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90