Evidence row 1822117

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ulXDZf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a4faa031-ce1f-4e8a-86c6-bca018f5bdd4/.well-known/agent-card.json"
    ]
  ],
  "name": "Histero",
  "owner_address": "0xe877d8c327b621a4a60b63fb88170778d704c4ae",
  "raw": {
    "agent_id": "23925",
    "agent_uri": "https://centralcity.ai/a/ulXDZf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Histero 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/ulXDZf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Histero",
      "registrations": [
        {
          "agentId": 23925,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a4faa031-ce1f-4e8a-86c6-bca018f5bdd4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ulXDZf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564481,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:24:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Histero 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/ulXDZf"
}

What the leaf hashes

{"body":"bdded27e7407fd76cfd02a92d388a34abc7a58a122b7ca0ec5f11605dc093bbf","id":1822117,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564644011021,"prev":null,"subject":"erc8004:5042:23925","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x0dd19b7d2e0720ed58d96fa67e64f3a3ae224ae5501ce845ce6f9f0107f85ce7
2. 0xb992ab06d6dc6aaba0afada2cc0a580bb89a66e98724235b1eea242e246f6e26
3. 0xba96d495d1c07f1d7a4f482658600021a10b3ca4e435893fd49725f0867050bf
4. 0x3fffc56a545cecc223222624b8ae2c98a81d9bd7159740242e40324284cef8e9
5. 0x7aa2fa94e64425051d8f3569ab182596aa54775f65b9952b541712f63c9f5303
6. 0x1804da49c85a5ade4736828794b193fb58e70c75b875494bdb798f4b2151abf0
7. 0x14760b37b44cd785aabc9c8a4c6785698b0e60a2141060a4a14400b880b1a656
8. 0x7c3249566967bd77a7a21d77b7884158a6af57bb039ba3d89c6dd4cc5ca4da4e
9. 0x87fb70f35d57be9573c141731a56db4f79cb54bbaf4714413a8ab7e63c6f854f
10. 0x46015936c86c2900b12e44f5da08cd6b9c156d8ee1b2633f95f905c05485d8e3
11. 0xbab0e6c4bfe1cf6c5daac85b9289e666402037b6bd95740775e4396d0ba2259f
12. 0x28bc52cf58f8fc135df08117e99fb66a052c7cccd07da12775326c93ec3e4b9b
13. 0x4f8e078be8c9d72a90b9191616f58c08c3985b8bccf238ac2ab034862e22fae5
14. 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90