Evidence row 2157839

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Lgc6Sr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/45c19e02-4703-4776-9f30-d4bbc2d7e83d/.well-known/agent-card.json"
    ]
  ],
  "name": "Taubabel",
  "owner_address": "0x9ca510e2d107656f028e60676b8d375c61437701",
  "raw": {
    "agent_id": "104593",
    "agent_uri": "https://centralcity.ai/a/Lgc6Sr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Taubabel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/Lgc6Sr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Taubabel",
      "registrations": [
        {
          "agentId": 104593,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/45c19e02-4703-4776-9f30-d4bbc2d7e83d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Lgc6Sr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793630478,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:45:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Taubabel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/Lgc6Sr"
}

What the leaf hashes

{"body":"82cbfbcae994a5b36a6b5668d410a75c6c7dfbffb7d37340207c2e078da261da","id":2157839,"kind":"listing","method":"sync.erc8004/1","observed_us":1793630710341216,"prev":null,"subject":"erc8004:5042:104593","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. 0xb4737bf27ab965bb9d47295315aa0bcf0329b4028c9c7f6b0a7e8823f1056082
2. 0x0fea294444bad31a92557e0e88dd4bd90c8888bb8aab7f3cfa051eacb1003756
3. 0x2c32d34777b2b447f394920d976f4501cf860e0e09292a61cf4b45437cc0ddfe
4. 0x01cfa98a32c0450b2acc3a82a30c663dc307cc7f4edbc9192ef7d1735954076c
5. 0x386486a87336a31442c4915bb070ae0b904b32a80a7dea173423a31d821d976a
6. 0xdb14230fbe0d9691c4cf5e25b679f318aeb7b5ff94b2e05ec7b7157810d4c856
7. 0x7cb8507b3393872d5e11176235cec1fdb8d6f506e0146d5c3110d4d9c82807f2
8. 0x57408b1e34999d2e08fcc2787f6262fef823e7b9b3c5f07761a03cf98ad96b37
9. 0x2e5cf0aab24218e7bd4dfafaed6b0ab32894aca679c487b7a0fcafe524e35ec6
10. 0x8693cacac08eb920ce215d88baf19fc04bf175bb340082daf2061648b3f859d8
11. 0xae3d752497e0b1117ec3e1c4e69aabf294556064d09c8f5a7ec60bea1e2919c0
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