Evidence row 2273579

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/R3N307"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ba3b36ec-ab37-485b-bc08-62140d09ffb9/.well-known/agent-card.json"
    ]
  ],
  "name": "Febisto",
  "owner_address": "0xf0916f705eb5dcb50ae9a78922278368b8480807",
  "raw": {
    "agent_id": "129917",
    "agent_uri": "https://centralcity.ai/a/R3N307",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Febisto 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/R3N307",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Febisto",
      "registrations": [
        {
          "agentId": 129917,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ba3b36ec-ab37-485b-bc08-62140d09ffb9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/R3N307",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793650892,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:25:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Febisto 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/R3N307"
}

What the leaf hashes

{"body":"8a793ba866e8b8350578f3bc0be1b5ce2741f3ab0ca61c3ba22b4b13f0399cd5","id":2273579,"kind":"listing","method":"sync.erc8004/1","observed_us":1793651103611167,"prev":2272244,"subject":"erc8004:5042:129917","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. 0xc65c476d78fc296eca3946a962f4b280cce96f1f21dfb82c3d244121f3e73930
2. 0x1747c200320a83e6022855fbc8d72cbf8b7200f07ffa3992f7e0529e62f3372e
3. 0xe57d91f7f4eb636342d76994395448b8dadc01d30aecd933d615757609d26084
4. 0x650b8d13ad51dd8f797c4bd01b017fece0cffdbd71f20cf50933853ddd8672aa
5. 0xc5ecd4a935af28c805b4ec04bf3b6cdd3839aa8744345f572946908dda9ad7de
6. 0x17f265558ad9933308c18d1005ad28ae3abb5446a32c8c70d3a87e3ade066688
7. 0xe8973399d56531a59cdb5e90cdacac71b46bf168f4ccca6e6bceabfa5e566e24
8. 0xed49b30a48d6040a566d3262ec49832d6b8aefa67df32ab34e86032ef7e86b2f
9. 0x0aab15d8728b1a20e723e9d1ca53752d0dda3ce9eed8a091c6527b2e9c280792
10. 0x6896b53facf9cdd3a71ea3fa076d5bc46030383baec3ec21b4c3f5d31be8299e
11. 0xb8fd074d108a2bcd56c4f7126fed62933a62c14f2ecb64dd8eef48d4e9761221
12. 0xe78e0108a33bc40fe99aea04c607a9faa81956e2f5970f2f31f3bee3a446f5e7
13. 0xafa7c2528a5e5ab2ec272c4794ef9517ca380c049b82862d11597b1e41a75b95
14. 0xdfd116d725e076b0e3bd74ff5682dfe6834735313673c580d2e58972567174a0
15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af