Evidence row 2158791

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/b9IOCj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0e98871b-9418-4a2b-ba8e-29fa2276f5c3/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifeon",
  "owner_address": "0x44e01c930655bf7cb30d9991e44c190c7649dcfa",
  "raw": {
    "agent_id": "104931",
    "agent_uri": "https://centralcity.ai/a/b9IOCj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifeon 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/b9IOCj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifeon",
      "registrations": [
        {
          "agentId": 104931,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0e98871b-9418-4a2b-ba8e-29fa2276f5c3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/b9IOCj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793630691,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:51:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifeon 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/b9IOCj"
}

What the leaf hashes

{"body":"9295c11555736130a1c1729382b9b3521711c6734ef643b5e58491564e226088","id":2158791,"kind":"listing","method":"sync.erc8004/1","observed_us":1793631072231475,"prev":2158178,"subject":"erc8004:5042:104931","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. 0xd1e6c4d15c142f40ec08bfe663c9741d8f65c7f26f41b0eba8a85b8348bc5b27
2. 0x19383175ba5dd6e240e81c2b038f342474461166eadd63da95c8dd00c1a2f51a
3. 0xc429921cf9e81c97fb800565f91064ac139d744ffca8161bfee4aa5aa99580fb
4. 0xc0014342eb2fd877921b8717d49229a2c83c99d82bf5cce94c8ae12daa4f20ab
5. 0xdc1697d7f3f0a97cfa0e2625476bf501884bb614bb14ce7eb1e3da5cf4f460cc
6. 0x05ff71df5415cafcb930c683bc48bd8411e285684d05b4c87c44be14c226062d
7. 0x7a5b53ca487ec39e3ced30332bca0a2436ad95813e6088d65cfe3cc6580e9036
8. 0xd7529d69444c4e8f79c9aad3723e82bb3387167413cc76243d23593553f97540
9. 0x253894a2d188067ed60b94504d1114d4a7bf8201f95be20fede740e3e8d7054e
10. 0x1e084b9312051b00506b5577e5ae07d334606e801e122b63f914aebbf05f1cab
11. 0x927c05a5d8546f863bef20833d98f1e1c35c8e5ccf50b0ad910c73799ef2e337
12. 0x8f7ec337f2782ee71c5fcf875ded67ab29b3a792b4ec497a9bd69388793bc4bb
13. 0x0ee251e21135d18ee3004d16c3618e1f970e8952654b422f2554f8aa0ae09b4f
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af