Evidence row 2557097

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IG9jHP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8d3ca986-14c8-4f42-acc3-93aa10d9472d/.well-known/agent-card.json"
    ]
  ],
  "name": "Brivino50",
  "owner_address": "0xf1bf3b7e305c81dcf9e174c4ff26c6b0a7a8b55a",
  "raw": {
    "agent_id": "171746",
    "agent_uri": "https://centralcity.ai/a/IG9jHP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brivino50 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/IG9jHP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brivino50",
      "registrations": [
        {
          "agentId": 171746,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8d3ca986-14c8-4f42-acc3-93aa10d9472d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IG9jHP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696401,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:03:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brivino50 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/IG9jHP"
}

What the leaf hashes

{"body":"080d3b8ca86439ebe2f5a893f100150524a18a1518e2e49a2c3bed7b045feedf","id":2557097,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696598677970,"prev":2556901,"subject":"erc8004:5042:171746","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. 0xa67a1f66e6459668603c349af5773376374f1c038d34ba3ed9f974596d54a25c
2. 0xb1189ccda540fbb5cf3fa9853e7a53c4f6eb1731eac1b342a825f589070dca57
3. 0xd970fe4d25e4fb59379814e62ab9cbec8c2d4b887beaedb000e814f98f9b6c82
4. 0x616d83d7a56e70367f5cf4a875c15613a19a6e7f2252b7843b0c6106bcd1144c
5. 0x6a3a1ddf102778f4ca482f6d5a2522306b45369af8763c88cecee7e10057aff1
6. 0x45c81437b5d0fd2cd32d42b7719cf66935dce6cbdf76161fb6e9d5aca1abffd7
7. 0x8866f8b1c01b0b5696d85cca65a66181acdf28cfa10010cfd4af3ca01a4f1abb
8. 0xe7b5d085f0bdbce6cb9859682146f4bdcc4fdfbe408a2f61121b1f45dc38ce7f
9. 0x6a0517b0fe442cf50fe3d44fe370c5bd9746124c2a284b79c3d7055dcff3c42c
10. 0xf3e6d990025e4fdd9e99c3b388588bb9da68751b44a65e89b3e16b4f05fb2ca4
11. 0xa23df5e8348854cb7971c7213f251d4612500291a87825917d5562b3d9ea1810
12. 0x815a60e45e734228befa37c27152dd91545295d9f9b2b149d67f91c9810546c3
13. 0x53a3eed7cbfaf81d389119a28838f038ff9374739b7125ff237e74956b8919f7
14. 0xc11e64de1e3489c6f039a4438e19d61260cc35d128740205319e373cf66438a1
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7