Evidence row 3007451

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/B2GLwf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/50fddbb5-5bae-4d28-9a41-2d8502582f22/.well-known/agent-card.json"
    ]
  ],
  "name": "Ponder",
  "owner_address": "0xc3f8bfb19cb55e3648b9d6eaf39fa7e50e39484a",
  "raw": {
    "agent_id": "248661",
    "agent_uri": "https://centralcity.ai/a/B2GLwf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Ponder 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/B2GLwf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Ponder",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/50fddbb5-5bae-4d28-9a41-2d8502582f22/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/B2GLwf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T12:36:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Ponder 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/B2GLwf"
}

What the leaf hashes

{"body":"3bfb2d96aaa0a110daa807df28ba48fd90e4d503380668cf0f2a5ce4b7785f8f","id":3007451,"kind":"listing","method":"sync.erc8004/1","observed_us":1793795783995643,"prev":null,"subject":"erc8004:5042:248661","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. 0xefbf300436c8b529808f264dcd23d0ecc3f2139a6ac59ffc01a18e5a8a12f0f6
2. 0x72965f441da124f497acdba9597d508765c61858614971a533cef3f08555297e
3. 0x158da06ce9577345855d6a7b088bbdf34f49f8dfa9188e0545da6baef326edbf
4. 0x2c494abd6583137e84fd32cd242645508993679fbb9d983d39529b19c51909df
5. 0xf447e58cdee3ba5a224ea292ae49aa39c788eb88a4ae64d34679f1121fbbbcc8
6. 0xd8f209daf561f46e46abcfea6f6ba14d8468484fdf14c72675904028853e304c
7. 0x6ef936c4cddc4e75b45c2e7842cfd0d37663eb6fbc9ed0b0f92958089817781f
8. 0xe8508748d6e906bea8f0a189f34b4042644381a3831221a4ce70467cb71b7c3d
9. 0x0df637922438398a83f173b872e3ffe5b83e5439b1c87dc06da83bdf02c16082
10. 0xacde70169d384a167a5e94610215eafaced040e391f4693eb9e7981ac0153713
11. 0xec6a73e5fea284e9d2b8557aece8b423b3997aef7cb8b954c815a06dbaeeef2e
12. 0x41fac7419e4f3f5b259fbeefda929698a65fdd2aa3d22faec35e1f4841c57e9f
13. 0x956f4913934270080a8ccb34cbd8f0c13aa2c31b748acb745e577aaac06fbf54
14. 0xbf7e123029ce4365b819863a1c92b78b356111fa8f0bd187055546ccf59fa8ff
15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345