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Evidence row 45769

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.physics-star-cat/databutler-us-rates
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0a159bcf31f5b712475118aa999287a84628d5c1e7db2c0f98f1f573c02f44d1
Leaf
0x559c20efbe73fe07ae5a9e5e6b2c2b0a1749c61712cfe82f0a69335e71691d9d

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://databutler.dev/api/mcp/us-rates"
    ],
    [
      "web",
      "https://databutler.dev/api"
    ]
  ],
  "name": "io.github.physics-star-cat/databutler-us-rates",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-04T15:58:38.002282Z",
        "status": "active",
        "statusChangedAt": "2026-10-04T15:58:38.002282Z",
        "updatedAt": "2026-10-04T15:58:38.002282Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "US federal 2026 tax brackets, standard deductions, payroll and retirement limits, sourced.",
      "name": "io.github.physics-star-cat/databutler-us-rates",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://databutler.dev/api/mcp/us-rates"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/physics-star-cat/databutler"
      },
      "version": "1.0.0",
      "websiteUrl": "https://databutler.dev/api"
    }
  },
  "source": "mcp_registry",
  "summary": "US federal 2026 tax brackets, standard deductions, payroll and retirement limits, sourced."
}

What the leaf hashes

{"body":"0a159bcf31f5b712475118aa999287a84628d5c1e7db2c0f98f1f573c02f44d1","id":45769,"kind":"listing","method":"baseline/1","observed_us":1793025406982374,"prev":null,"subject":"mcp_registry:io.github.physics-star-cat/databutler-us-rates","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x559c08bd2f7bdf1c172dc9f3f7f9279201e8d4c23e5b586010424141d65eb0ec
  2. 0x48840b2e54e54e916f17b3bf599da2bd8819e396c76ebd8cc16dbaf5c4dd058d
  3. 0xfb8847939c6adb63b852f2bd98f5933469204588ff935a5777acedb7f33f8ece
  4. 0x095695b650ea27e99bf581c5de3787acce0199e3953d28595e41bd7ec0ca91c5
  5. 0x8281933e901b85f4b5d25e11bba2ebea55f3a60ee55e48938c09b09f7e3db1c6
  6. 0x3698c68f71542370e86ce514f6abe147e23f8313ad9ca3f3a3423057104948de
  7. 0x277ed28d2b7e4fb3a8f6ace13a358d20ec83f17f22ad8994c009b460a14cd7e2
  8. 0xb8a77b35d27c6000144ba9bb62f042dd9228115f753d6e53bb0bff6e450078ea
  9. 0x5e213bdc1580737e42ad79b6f4d9525557bb386f49ea97fa5d1a0914a23f660d
  10. 0x67cc9e33a20bfc6e2cc4190cfe822576e88db4e067580d9b03de61490ef43281
  11. 0x8bfd0cb3fe1b89aff78054dc0373bbd54ebd61d68eb05854663a1667ccf265ff
  12. 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
  13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
  14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
  15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON