Evidence row 38692

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://a2a-artifact-handoff.onrender.com/mcp"
    ]
  ],
  "name": "A2A Artifact Handoff",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-06T13:12:05.013814Z",
        "status": "active",
        "statusChangedAt": "2026-08-06T13:12:05.013814Z",
        "updatedAt": "2026-08-06T13:12:05.013814Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Compiles source-agent outputs into validated, receiver-ready handoff packages.",
      "name": "io.github.imagiever-ar/a2a-artifact-handoff",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://a2a-artifact-handoff.onrender.com/mcp"
        }
      ],
      "title": "A2A Artifact Handoff",
      "version": "0.6.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Compiles source-agent outputs into validated, receiver-ready handoff packages."
}

What the leaf hashes

{"body":"2f6a5990a4abd99f9068f070d9a3f72cec5fbcca54eb7a524d4511ac6b754517","id":38692,"kind":"listing","method":"baseline/1","observed_us":1793025393333201,"prev":null,"subject":"mcp_registry:io.github.imagiever-ar/a2a-artifact-handoff","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. 0x11cb9b1d22c10eb44327a6fe1f19ccc0d6a1e468f75db68b17761aa3e9362375
2. 0xa76e95769f1abbad9ca78de9e1fd3cfecd8b6e3d9493664210851e7e5a3115b9
3. 0x31e30e00f2320e635e16a560de6b66911825506e4278f6b39a27bd461a2de644
4. 0x47694c982b732b1fc8f05133543f4822b21d4719b9a09c5117523230b17b550d
5. 0x2b81f57d391fd307189c377947f292cfd2c51eb57b03286b3f623c382e9084e7
6. 0x933757c3de80da19e2e5ddec12141abce499fa96b19deb835215f9b19a32c71f
7. 0xaa6b69f86ee418d8a029226b26f98293d8ff982c9d0dae9a3c0100a64ef7e943
8. 0x9b74a1261db5c82c6812660589b49c6567f92bab3f224349c75874cd724c1bae
9. 0xfab70ef0e09287a5a2076186bd8b033083a7d77eb8bf6ad18d43c55bdc3731b5
10. 0x970e7fce5d49f34f6b51af44a118952db23266c34d492098d84b4f12f45ecbff
11. 0xb3d22f508aaf8117a0a5454390284c48363baa096e225b30af56d708d8dcd0b3
12. 0xc02d9eff6ef94d46d90d54320548f18fc3f05787047265548577569253c19969
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae