Evidence row 2154295

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yitAl4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fd2a0b93-eace-44be-8e43-bde6a5d13957/.well-known/agent-card.json"
    ]
  ],
  "name": "Jossiston",
  "owner_address": "0xb69faa6c64d6ba6f49f4b199de20bffda602fa64",
  "raw": {
    "agent_id": "102903",
    "agent_uri": "https://centralcity.ai/a/yitAl4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Jossiston is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/yitAl4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Jossiston",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fd2a0b93-eace-44be-8e43-bde6a5d13957/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yitAl4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:20:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Jossiston is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/yitAl4"
}

What the leaf hashes

{"body":"3a5ff7c7e3a6b316ea15bddaa8269e0b07f9b986b5ceeca0b93750fc497a2254","id":2154295,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629257758273,"prev":null,"subject":"erc8004:5042:102903","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xb51223517fe3f4fbf05daa04bd272a5905bd9c176a3c57c2794ebaa9f67955b7
2. 0x7702ff4f0f756f82bbff8dd897bfbb5cefff26460e5cdbccdcddada5c50f389d
3. 0x1a48cb2c0d32b9b3eb0b626ea35ce081d1f6122ff0798ea5430ca56a07894bf4
4. 0xebecc9c88ccae16c12abb94c0757175d66b470f9d3d12a79e955a0a169966d5d
5. 0xb319344fdf4f0864cb7f370a73cdf3e36313e0716a2cc1ece58d79f854f55c06
6. 0x28f60ba8635a93c1f68e44c51f6170ecc4ec575aec7cfc6a4214ed20f5b10f22
7. 0x5bbf43766715720862ed76194a7ce4c0af341db0fc021ba0c963983acd1cb867
8. 0x4a53f856485d555563549e1e29178f6a285eca142b8e381534adc8b51167ff85
9. 0x5380fd805c81bef46f880843ff735512202ede957590a6b44f90b25f850bef87
10. 0xbec8bcd807b3cb432903e8e5b05dab86aa29668d33fb51f7e075fc189111ed44
11. 0x1d7550d28eee08e134d18cbe246fc92783b3e2319f1f66c9bc4fb223bc00f533
12. 0x699ae7fef9e8b87b378f2b7f3c6ae482aa3f19000267f273752a19f30c704991
13. 0x8f3b097427a1bfae26e9231cb5b00552011a27ad93aa4c0d3e267190fcbbb962
14. 0x08da04eef748b7ac08271324db18913501d72c52afa240bf3f08b6da46e3b97f
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af