Evidence row 304141

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/SQLazy/tabulariumx409/tree/main/mcp"
    ]
  ],
  "name": "Tabularium",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T22:44:39.932212Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T22:44:39.932212Z",
        "updatedAt": "2026-10-26T22:44:39.932212Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Agent memory and a signed spending ledger: pay any x402 API, keep a provable receipt.",
      "name": "io.github.SQLazy/tabularium",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "0x-prefixed EVM private key of the wallet that pays (use a dedicated wallet with a small USDC balance)",
              "isRequired": true,
              "isSecret": true,
              "name": "TABULARIUM_PRIVATE_KEY"
            },
            {
              "default": "1",
              "description": "Spend cap for this server process, in USD",
              "name": "TABULARIUM_MAX_SPEND_USD"
            },
            {
              "description": "Service base URL (defaults to the public deployment)",
              "name": "TABULARIUM_URL"
            },
            {
              "default": "0.10",
              "description": "tabularium_pay: most one purchase may cost, in USD (ceiling 0.50)",
              "name": "TABULARIUM_PAY_MAX_USD"
            },
            {
              "description": "tabularium_pay: comma-separated networks it may pay on; default is the service's own network. eip155:8453 is mainnet (real money).",
              "name": "TABULARIUM_PAY_NETWORKS"
            },
            {
              "description": "Optional pinned Ed25519 signing key (hex) that exports must verify against",
              "name": "TABULARIUM_PUBKEY"
            }
          ],
          "identifier": "tabularium-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.3.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/SQLazy/tabulariumx409"
      },
      "title": "Tabularium",
      "version": "0.3.0",
      "websiteUrl": "https://github.com/SQLazy/tabulariumx409/tree/main/mcp#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "Agent memory and a signed spending ledger: pay any x402 API, keep a provable receipt."
}

What the leaf hashes

{"body":"457543e380be901142506d37bb4ae78f65850d5be471abe59284668f1c4e947b","id":304141,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793055761922559,"prev":293997,"subject":"mcp_registry:io.github.SQLazy/tabularium","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. 0x5456b152be015c42171c9ea85eccc1dfc4c47a5690605c7743db153c43403a3b
2. 0xb697d4e075ad61f2b1691b0fa5ec066d826869e6e972c721809ad5baf7f0523e
3. 0xf7f705cf878e10a50d2b094fc1f6f5d6b2ccb3e31e0a62d0bde9869ff277359f
4. 0x2989d7ea814d3ce4733a89c6071405500fb3d8e0609ae4b5af88f870860f60c4
5. 0x6f89703234dff71b57671ce102cf00939feb3c186946e2b707afea32f23cfea9
6. 0xc0bdb64c7dded039ad9e64b77bccfd9795ceed9a3502da8737a729103b00b4d5
7. 0x5f97e67f5a5ae4df6c5b33998fcc1f0898f94ce6492807d3b6092bc675d6f4bf
8. 0x1e950528fec2c38c698ee44b5c4226975c3acc1a6eb8c524077c63b3c2935aca
9. 0x40581d4b92f98d03f4d30c02fe130618ca6e557f88c320ec8e64c0093ec35134
10. 0xbe52a1de9424037e1e4260713fa281437aa5a001a2cf6c6f46bcd832ee5770bd
11. 0xec824c3c9c635c0935294afc42b42d41176d63a67e608b45abf49b05e262e664
12. 0x774d66905c34a786c6d34bf1c4491dbdb08f534c9eb5f76cf3de03385d28f388
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae