Evidence row 3348310

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5lpZA3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5ca879de-c47a-4213-ae93-8867eec019c1/.well-known/agent-card.json"
    ]
  ],
  "name": "Biarkan",
  "owner_address": "0x2414a105394c9915ff6bb8babcce8e81599df284",
  "raw": {
    "agent_id": "317769",
    "agent_uri": "https://centralcity.ai/a/5lpZA3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biarkan 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/5lpZA3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biarkan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5ca879de-c47a-4213-ae93-8867eec019c1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5lpZA3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T01:31:17Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biarkan 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/5lpZA3"
}

What the leaf hashes

{"body":"f1a0a304b8e726ab63a0758a6f3147fe0d4b5d9263dcf9149389c210ebc8211b","id":3348310,"kind":"listing","method":"sync.erc8004/1","observed_us":1793842277313946,"prev":null,"subject":"erc8004:5042:317769","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xec0582d0016c2b67e41cd22ac36aee4b2447ef0c5cc878ed98df3f5e15ac8ecf
2. 0xd18056ba4cedf30d9273b71ff6a4755d1f8b3ac586ac550d8c2086a13be7d231
3. 0xfc8d7ffa0af277b088b44efffb6f6c765e8d053adac1f04fb73f3a1045a34b50
4. 0xdd285ef57ee17cf31fe37f2479241d9f574175f0d5da5c41a70b6c807a32c337
5. 0x521d800fa807c8dc2883db281d1621ac4bc35b6c2641623ed35c8b36693ea646
6. 0x232e5961f2189395412d2850ac38d987f4658bb4e1233d10b3914583f677790c
7. 0xea6a7eca576afcd7fc0f05134468c16b1bb35866b78afb60b1a21284ead62c30
8. 0x4bb691ecf6cbb7123b33e91202fc2a6d4343e4529772bb1bac3ff93072d8c978
9. 0x9ecf18efc72f167dd0b92d096963a9c032e85463b7f3a8619cdbe1559561d89a
10. 0xfe694fa6f7a314487601581a2d1700eb9b899dd11c61be6e6e453b06770be858
11. 0xbb95b14d8dd7c64908f1f9551e257184f985f2109fdab512a83d54bf9a575de9
12. 0x4b9c1a8b3c2ab4ddd307bf2a78c15fc75b64aa2c39982eb45ad6332be9a57195
13. 0x53b35126d12d937d4a8233f11b3e912279a6af8d8074654056176693eaaf1a03
14. 0xed84001e6f67c5df966efea1d4c436e935aff300dda7a7c21bfabca6d7f867fe
15. 0x0f89b13f204fe566641bee24955c02233efcbd2fce2017340ed06cf3c4c4503b
16. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94