Evidence row 2555724

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/T1Uqgv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d9a20d95-2696-4b57-89b9-7d98432c328c/.well-known/agent-card.json"
    ]
  ],
  "name": "Gossano8",
  "owner_address": "0xe14721a6a1d7d0c5a00e692814cf3631ab4b06a1",
  "raw": {
    "agent_id": "171060",
    "agent_uri": "https://centralcity.ai/a/T1Uqgv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gossano8 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/T1Uqgv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gossano8",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d9a20d95-2696-4b57-89b9-7d98432c328c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/T1Uqgv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:45:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gossano8 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/T1Uqgv"
}

What the leaf hashes

{"body":"a81e16c1f1aae50c22eb29dabdd8b2802f0293e68d67e917eff9ccfc6fe5b206","id":2555724,"kind":"listing","method":"sync.erc8004/1","observed_us":1793695559396543,"prev":null,"subject":"erc8004:5042:171060","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. 0xcc25098301d29372f4d393144fb6ce5b7dff394eee7f6ec9ddd19542921a97a5
2. 0x08b3bc12a8923fbe6a87cc62ad5e62c2ffbb09360e82685fe2b7c8250460d20e
3. 0x7704034348d604d1583dd2b80e79eb691f01c358c2cf19c5bdb12320f3ff735d
4. 0x58f15ca0a6035859901ca494c09aec7a5729dd519f4897fbd1bce04a07bee1a2
5. 0x9daaf2e4848ca6afd0dac3bc3656c12f42def207fa69f52dfd64df9ed5711639
6. 0x2528c099f7e5b42b08bc47591eee75edd327693b8b29d0853ce63a821a262a41
7. 0x7563e3750a1032585e46498e1b53d2e6788eef56db17cb49c7cbc787aac8a809
8. 0xbb1dfa89140b1539850af698940a2eee1f1ac8e9e9c00c7d1c35ed3a5aacbe06
9. 0x0b05fe515b4632639095a80d53e8ae43b3e38307ff98103154d7c3bf75b1cff0
10. 0xc0851c66ffb6a027359d679ce03930f474df6a6e943d76bfaa569fb0a28d6d4d
11. 0xe1df165f3c69626ff1481a3ef6dfc2622e917ea17a78cd59f340066d301fb8d5
12. 0x15cd36344d974c55b6f580578f0563e541344467cef28231bd9d9db05e79f532
13. 0x33fc1351c38cd27bc6972d4d1d2c6baa7fb113346e29547df2fd38d8e6c92e40
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7