Evidence row 406389

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/SQLazy/tabularium/tree/main/mcp"
    ]
  ],
  "name": "Tabularium",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T05:17:28.377226Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T05:17:28.377226Z",
        "updatedAt": "2026-10-27T05:17:28.377226Z"
      }
    },
    "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": "0.3.3"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/SQLazy/tabularium"
      },
      "title": "Tabularium",
      "version": "0.3.3",
      "websiteUrl": "https://github.com/SQLazy/tabularium/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":"dcebb55172fbaea1cf25b163862dfb37d3672df9289646b8bd42721779ff8b97","id":406389,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793080206461104,"prev":392079,"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 2026-10-27 (273461 rows).

1. 0x8ef07f3c4847b746e5a22f009c87937313aaa063d31e4cc76fdb3091502a55a1
2. 0x3cb46388e42424b29c2abb8d7424bc1448e9bfc95b2761033e3a2ff061c64b73
3. 0xc75f87050bdaf7ebb4f4b413b5844ed6c7324d621916990a58a9ac29fbf68043
4. 0xd8b60722650b81b5d73874f551654175e076a0c9eada634196260c7e839df8d4
5. 0x9b5a2fdb789257fecd6fa3c2ede3822497c87e6996dfe0483f1333d4aa60e5ea
6. 0xe294f7c1e512bb8ae9b80d68c8de7551049c66ad6367b63d0c119f777d5dbb4f
7. 0x1ce9123f3e607139a281b5c76c338b73ec44416892f26e9d10db31df783e95b4
8. 0x44758d84c05a9854f52ec256643aedf21de523296e2d67d9b13a1bd4cdac52a1
9. 0x1ab401e7363f687eb461332f60d64256807cca0409ea49355d3d646cd63ae0ce
10. 0xab0849bf1d37da0d1f88ac3ed4eed1e8f99d98cc43f4e48e236aef579a97190e
11. 0xbff43d30538b90ef025129e8a238dc8959481edca06b37ecee4c2be1f617127d
12. 0x3d13b6f855471289691a683ee58cac14977b2531dabc14f9c666e928df0908e6
13. 0x5c9cbca5bb1d6be4d84e301b4e4c1a280536eb16ee98ed4add9057142c132dde
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4