Evidence row 25056

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://costable.ai/api/mcp"
    ]
  ],
  "name": "Costable — Parametric Should-Cost Analysis",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-22T10:09:09.629895Z",
        "status": "active",
        "statusChangedAt": "2026-08-22T10:09:09.629895Z",
        "updatedAt": "2026-08-22T10:09:09.629895Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Parametric should-cost: P50/P80/P90 estimates, 801 materials, 25 countries, quote review.",
      "name": "io.github.1337mofo/costable",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://costable.ai/api/mcp"
        }
      ],
      "title": "Costable — Parametric Should-Cost Analysis",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Parametric should-cost: P50/P80/P90 estimates, 801 materials, 25 countries, quote review."
}

What the leaf hashes

{"body":"4cae66c0263792a4d3bcdfaec595c43685680278a55f87eca550c7684f7b586d","id":25056,"kind":"listing","method":"baseline/1","observed_us":1793025353347934,"prev":null,"subject":"mcp_registry:io.github.1337mofo/costable","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. 0x862c3ff87cf25875bbfaae8d870c5bc2066a21c4888f3287c66ab0b571a98b21
2. 0xef50b9631f5fb4fbab264bb54a30f215f54f6cf9e91b0350c7f0b06b7034379d
3. 0x6d7ab56ce027eba454a541254e861e79b9f3cd28d16bbeafcbd648801fb8172b
4. 0x6effe25348b429f676395cf0d5366e9e058cabc25945dfb3d85251145f330bcf
5. 0xb271948c77e9490c4616a5e5cfa40dc2682a17f97e3aa8358c98d8160f00cba6
6. 0xd2b905c69e6298a085891f260e669d69f5c9ab5b6968216d89c9753dbba87344
7. 0x74794a3750ffed24783fdce25f7c83970c379af6e3fc1842116f4486520aa38e
8. 0xaa644cdc7aae2538f9860d131147da59759cd9ff92cd8fb1a2d8177445e5633e
9. 0xd5e7fe5e22d0f721add84c87198cf47b769770c1756b2a9721525c366e108dbc
10. 0x0d847b9eb30e194e701d2d4f8af4f34ef43f6c033fe5e001b93f122bdbea7c80
11. 0xd6d2fb435c815b0341c19086a636cc9a706a6129405e2030054a243942b686fe
12. 0x146f43471a3bde6d8a04e87b6afd3ee6860c6e38a009f86aee705ce722b67748
13. 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae