Evidence row 3676199

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0j7ta1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9cf5378c-e574-429e-a52f-3edd487bdd02/.well-known/agent-card.json"
    ]
  ],
  "name": "Biossus",
  "owner_address": "0xa08baa9a1551ec37ffa88ad9f854f287aa786150",
  "raw": {
    "agent_id": "369932",
    "agent_uri": "https://centralcity.ai/a/0j7ta1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biossus 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/0j7ta1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biossus",
      "registrations": [
        {
          "agentId": 369932,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9cf5378c-e574-429e-a52f-3edd487bdd02/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0j7ta1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793935919,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T03:33:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biossus 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/0j7ta1"
}

What the leaf hashes

{"body":"c2212412855288c14a2b5cbad1c0cde8dc1b44ffef12916dfc7450fec5743b16","id":3676199,"kind":"listing","method":"sync.erc8004/1","observed_us":1793935982569016,"prev":null,"subject":"erc8004:5042:369932","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x9bc22041cd0b3e796a1990e2662f0e081f5253e66a2243c1376d791c82a21e84
2. 0xea3732fb428ef1420d66bb1dee95a3d2cbecc54eb6676ab4a65e520d8ed85fed
3. 0x3a38ce153e3103b70e21d85cb8cc14c94bef303ad5f8ad58e06fc2caeaad3436
4. 0x5772782acc9492bbd2966019d6c39bc1f01aec8477815d487d650fd8f104685d
5. 0xf6e8c890692291e2870075f6ee363de1181a612e7de69557bfe149393041ac7d
6. 0xa6b86bb5f0e4e70130c388875a8e80033078a8002645ba05c7940847cda34230
7. 0x94da7641b9a44e5a525a467054ce5ea5031c6d0d27a4dc3c2a46df63a6ed96d7
8. 0xdf999e158c32fb3f18398fc33995dd5a65e4780713bfec7dfe5645107e4e51f8
9. 0x74c7345a82f0fb91a3e8f49aae9020d937373d6cd9afb04baeadbdf815cc9781
10. 0x09be1d0bf5b70c9227e8fbe79a2174bc330286fda45b3fa296af13ac37ab091d
11. 0xcd5d11348a248a29fc22e3325862e9ca706e711e4bf3956858ab0f604be2b448
12. 0x505d017ee09bf1b0125d41b611ea88faf844a7956e2a1a12d2aad6b01bfed4ed
13. 0x21a4c73ffad7b1efe3fc3e69c21f4d207e4f169b45026fa1239e30e31540177d
14. 0x19d8f50946c49be5dbb8db49fa8d24a336a0da953743d361599c38c351990fff
15. 0xd0ea1c67876a6aaf3607745d3124ddfa46a7db70cb95b8b0331a1db5672bf932
16. 0x15b694ad919111e31e8112077ed1645b2f3c0d6f1433eaac3aaf1fff1c7c8aa5
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1