Evidence row 1833572

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sZY2eu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6970df4a-f023-4dd3-a962-ddc4e8a6cf56/.well-known/agent-card.json"
    ]
  ],
  "name": "Barler",
  "owner_address": "0x4d38c0ccae59da0b3054841463201ebdbf52a854",
  "raw": {
    "agent_id": "30907",
    "agent_uri": "https://centralcity.ai/a/sZY2eu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Barler 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/sZY2eu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Barler",
      "registrations": [
        {
          "agentId": 30907,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6970df4a-f023-4dd3-a962-ddc4e8a6cf56/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sZY2eu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793570071,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:55:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Barler 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/sZY2eu"
}

What the leaf hashes

{"body":"b203d9d2182f1980ae596419f3f7b1802d50cfa87079c5ba5aee45a9d10bc242","id":1833572,"kind":"listing","method":"sync.erc8004/1","observed_us":1793570107788100,"prev":null,"subject":"erc8004:5042:30907","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. 0x637b1540453c76acb451b87412f40883acb28f59e347a8ea4fefb62302c9936b
2. 0xdf77f174d58cb7230909fac73e04686d14c1612ea132e5cd4c3d68c1c9aa8a5e
3. 0xc2b754f3306f28f4877b7ffe88739a3b1170f70f7c5bed0e6409b46085411ba7
4. 0x238e93a7f7a2ee8a8b67b1ada77ebdac98b76d77b390ff3fc0365fac964d16fa
5. 0xf07249c7672cafe688f6886216826e377d4f223b4ee22f78a94e10907a025598
6. 0x5c45fac808b874977d7d6003cbc0b85212ee94c09cad42ea436d96b715af5ec0
7. 0xe532823fa346203f6f94f914b60abca053d6dba072259cbc0575a4642d63aece
8. 0xcf7064db4122b1a2fd7ade307f2ec2bd2db6af9df33c175422684b12b95524cf
9. 0xd56ac35b5c7d30e77dd82b456a7d970c7f992765a2860ff122d79459b2cff860
10. 0x6009fa9decb25a3fd4f0c38737af6342b293a03aee4cb6aec63146857b0cba79
11. 0x9cf16a74421cb53d4df43aeebcfe969dfce36fe6aacc7138116c104333c23daf
12. 0xff9b8f01632947d40738b3e8648f66d25af96563c1bee717d4e6024bf22ae3e3
13. 0x0aa7bcd64ab1520080bf6bd72a75d5f377537629b47f20b8e8d9418871f23602
14. 0xf2a2a0157f28bf3255c9b6847cbe675ba213d3983bbfe1c0848c216c57838e54
15. 0x7c66173839ef153f08dfd346f7ea956e9226e1b7ff05bf4c6cf27436953f336b
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90