Evidence row 1820439

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/iwRsHu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/49b7a2ee-f9b5-46e9-8e14-c4d4cc2f8d03/.well-known/agent-card.json"
    ]
  ],
  "name": "Graukino",
  "owner_address": "0xb84899154fbbfeca9320b16938720dbfea4e9249",
  "raw": {
    "agent_id": "22819",
    "agent_uri": "https://centralcity.ai/a/iwRsHu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Graukino 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/iwRsHu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Graukino",
      "registrations": [
        {
          "agentId": 22819,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/49b7a2ee-f9b5-46e9-8e14-c4d4cc2f8d03/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/iwRsHu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563640,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Graukino 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/iwRsHu"
}

What the leaf hashes

{"body":"ba84185bf4f54be5718e0e8ac2a2ad25030a8f828afdbd552102ac2e01f77c6d","id":1820439,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563954631902,"prev":null,"subject":"erc8004:5042:22819","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. 0x55483d654a4d184a7d2e3cf0e1331bdd7ddd9794bee153afcf2a385301eb8ab2
2. 0x0921d7c8ef9a4e0187b71cd9e8116e84ef85cca4b6598ea36eb1f7608aa360b2
3. 0x26cb9ee2ddb84e9f3c79802d958e61d89f684004e9afddddf7b22f2760048e8e
4. 0x29b689a2fb7e09c87102e763f05b4dbd349abc8524a6c37b0129cf088d838554
5. 0x9e3403c42682958279822c1758553f1c3fa02b218873f9e503d38c880ac1afec
6. 0x5876701bdb82c95720b4eac212ffaf06badde882888756cd890069017a8bfd53
7. 0x7a0c35e4e135bbcc2266a91d60234572b342ed1c3db68cb04218cd51d0f69e41
8. 0x18f78d52609567bbc0166cdc2abb90dc125636464e115597b6385e83873a9299
9. 0x4802e692d149288ca99f3b0160a3494cca93bbc051e7919a70d8727c2931f116
10. 0xb3e51672f7fc8539e2b89e13b9aa99f94a52377a45c81695624f892f895d93fe
11. 0x6bbdebe7e6dac8b51c6dfd9794a16032d248553fbd2b0ff1f06346037f6257a7
12. 0xff9baca5e16460365cae5b2ed53057d5fafe487b1ae8b067547221fbfc14b910
13. 0x794bd22a6bc5ce0b466f5a150b64435e6cc8454386a705a7a74a4a6cbcb9e4d4
14. 0x9338fa49a0c5f3f5d810da4bc7c55c4f87067074ebe5e189dc6fb19ffee0ed93
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90