Evidence row 3123812

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/oEAgdh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/27847ba1-7d72-43c3-bb60-e15678cf8911/.well-known/agent-card.json"
    ]
  ],
  "name": "Biosseon",
  "owner_address": "0xfffdf0dcfeda8915af2ed49d3ed15eca684f3971",
  "raw": {
    "agent_id": "288993",
    "agent_uri": "https://centralcity.ai/a/oEAgdh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biosseon 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/oEAgdh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biosseon",
      "registrations": [
        {
          "agentId": 288993,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/27847ba1-7d72-43c3-bb60-e15678cf8911/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/oEAgdh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793824061,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T20:32:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biosseon 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/oEAgdh"
}

What the leaf hashes

{"body":"358ba5ae056e2bdd874a1a47721995887cb8e1c16e6b21e5d3b7b59e3baa9ee8","id":3123812,"kind":"listing","method":"sync.erc8004/1","observed_us":1793824374270541,"prev":null,"subject":"erc8004:5042:288993","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. 0x9a63029bfcd9935f135ca7958674bb6703e1d8d36b3ba6bf847d257443d5a148
2. 0x99c2dc159e90603c5611085334c92a8106cf5863c1f2a636b748ebdb51dae03b
3. 0x84886d8ff3dca7e631f3343aad56ff44ac7369874ae7d3bd56fa954c2b2906f2
4. 0x2d85e8a081421e19eeb961f2643a3d996c59c33c8d63f2b418456110b58ac32e
5. 0x5fa3e83d0b18ae41ffcaada5000b9e4f0c9e7003ffd98979812253a0850240f1
6. 0x82a7f48ab76900a30332a1d56e5e9f8ad255f2557ddafffe720ddf225637ce42
7. 0xdd92ed4c7bd2cab2bce3277d692e512c1184cf3b5c44405dbe63fbd920bc7829
8. 0xc0710ef3aec7c3b8e9734373e20548f3814e02cf5487b341338123c533304961
9. 0x51793bb4c1ee9008463b978c3842bdcc4a28b218c67ea0897c31c7088a9e3347
10. 0xb3ca972dbeaef2b3d8b5b77ddcb765cb7181a5e213a199cf10f8a6c8bec68f54
11. 0x226a0b5c913d8d0c90573d1c706bb0f0674b9e48182f3291f0946bd6617d9ee5
12. 0xea6a06913a4fe1f5f76faaed740767a6bfdbdce43f74dcae8ffc516ac65c432f
13. 0xcd20ee70d1b8a44ac9f5d5208bee6f35b7847f1d0908e160fcd5305c4e99a7a3
14. 0x989f4c924746011551de474bbf1291972687ddbb952d10e6d81e820171bba424
15. 0xcce6f2f7e4f40c7f768552ae3da9c9aed1be84ca300fbff8a25083a9399680f9
16. 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345