Evidence row 2517255

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dtvXbU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c313a390-e962-47d9-b71d-0b0aa9fd0c9f/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifero",
  "owner_address": "0x0a2cbf7178ae80c76a5c7cdc718014b84f70644f",
  "raw": {
    "agent_id": "155556",
    "agent_uri": "https://centralcity.ai/a/dtvXbU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifero 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/dtvXbU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c313a390-e962-47d9-b71d-0b0aa9fd0c9f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dtvXbU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:45:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifero 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/dtvXbU"
}

What the leaf hashes

{"body":"6c59d9492ac040cb7e451320b11f331a648ef54e5d320539479d2931e989ffac","id":2517255,"kind":"listing","method":"sync.erc8004/1","observed_us":1793677506291994,"prev":null,"subject":"erc8004:5042:155556","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x5907f5c422cd5f1380393e9d37fe46cd504922454021359ffbcee9d9b2b95924
2. 0xe3351858b2ea54269f9ea35de0841607cff532b071946506875d56744eaa7524
3. 0x18b4ec643657dfbcd1001eaa172dfd57dab58aa9930472e04b0725a05e52bb55
4. 0xc2e2d4a5a1ce167ba924ea53acbc7bfe08403ff747933f36385a873d0a6b852c
5. 0x8b358dbec5041df59bf9d874893f3d666676dd86725922dc3e643e0fadd291cb
6. 0x722d1d4fd8d644245f75734feed741cc01827f6a4840581bb21e564bd0deec22
7. 0x8a6a0b879ce310d829c10601aeaaeec24804e93b58a3bae0153e1d34485cd0b8
8. 0x0f1111b648559b9fc2557e202a1f79020807ef990e6a7e08b2c73b999d4934a1
9. 0xeb61ef56ccbcb842d6030e5d6a248c7667549e575f8beb73223d9a56af66fe70
10. 0x0d0c89341f0bbc1510021177df7eb7de32b70da5d82c1865d567b5e0bc4242e5
11. 0x996aa39bdd926a1c06d66e39024d7e21cc487b4ca8ad3cf0e870e0db2bdec612
12. 0xd8df9bad1fb9bc9f80b7d6c2721a69f96d6783dc5f116d66a74d9ba9112150f5
13. 0x387d6b3abb2bc238e53d54b976851224d55ee7b21751b608b1abad8177b78ed4
14. 0x1fc4191e8f35bfa53de7e0451b776edb79a6c6dcdf333b4de5afdb414a516e3f
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7