Evidence row 2979664

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6BePnP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7682765a-22ea-4390-b1f6-44fd8bca5b1d/.well-known/agent-card.json"
    ]
  ],
  "name": "Berkert",
  "owner_address": "0x8ef91e652f0bcb8aa86cc3b7ea9dee4fd2365e44",
  "raw": {
    "agent_id": "236961",
    "agent_uri": "https://centralcity.ai/a/6BePnP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Berkert 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/6BePnP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Berkert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7682765a-22ea-4390-b1f6-44fd8bca5b1d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6BePnP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T08:44:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Berkert 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/6BePnP"
}

What the leaf hashes

{"body":"0776c70fd0555a328be33f0fd5547039b20b90b4987431381dbac4b0bd14870c","id":2979664,"kind":"listing","method":"sync.erc8004/1","observed_us":1793781858374144,"prev":null,"subject":"erc8004:5042:236961","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x75109e50f3d5bc51c52edec1490900a5af469176ec5937f4627b30ad98652a6e
2. 0x2d18e7b2e96c911b984393e9b08e183dc41fa6df55f0321cfea55565529e448f
3. 0xca8f648b5ff521b3ec3c7069cd39c37d3a4c769a64be2dcb53322252ed529da0
4. 0x79e77319472eb0bd0540ec1fe09b2c7142ed8528cd50bd49a74f3660e79cd319
5. 0x90cae1e30aadb9b7019b08b7b20fe8eff0a9a68c0242e01ef0e416b5b12c0d69
6. 0xb91384d89d75365059c64537f79407c4ed39efd9e8033b06a88ade4cb8cc4d55
7. 0x6c90e004f812825fecfe2487fd38f8e2c5206f29ca0f4834b6c8990499771fc7
8. 0xdc33b42965aa894e98248a1cc48364449eb46fda658d8428e1ecc8dff386314a
9. 0xa9bdbffbedfa040e93d04293ce2f9fe4c66a174c3aef770b57b7fd8f69be3ef0
10. 0x9d7fca58bb875c3a19ef9ff3ab18470d82d3154ebd34f29d422a2281146ad1e8
11. 0x6a9eda81fb10e69ec91db6a4c51e42a01c2ae60c7cb7ed476c2476572550ea85
12. 0xb78ca1cc2537dc4c8dccb6b881f6ff5795b53e25d4ba5b11bb12d9d95bdde53b
13. 0x09fe091f63c54848d87530415bc5f98c2ea6535403574d2b6614f885c6c48f8d
14. 0xe27ae3c825a133907c02ce25e7292a68e76325500afc33ab38a3ba76e1a0d26b
15. 0x539d73c83d7aa7f740599809a1eb066b48ddd9e8d1ce14a80cb191f4cf87d3b8
16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345