Evidence row 1772322

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0o3ruT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1985d866-cedc-4436-a295-6943e25f3728/.well-known/agent-card.json"
    ]
  ],
  "name": "Grumianik",
  "owner_address": "0x87ca5a2025b151734911c5d03311c07487ec3bdd",
  "raw": {
    "agent_id": "8250",
    "agent_uri": "https://centralcity.ai/a/0o3ruT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grumianik 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/0o3ruT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grumianik",
      "registrations": [
        {
          "agentId": 8250,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1985d866-cedc-4436-a295-6943e25f3728/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0o3ruT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793548257,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:53:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grumianik 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/0o3ruT"
}

What the leaf hashes

{"body":"34e26c32782542bb0b593483f9a3e19aa60b8e6f55aa8199b5aee8e02f31f425","id":1772322,"kind":"listing","method":"sync.erc8004/1","observed_us":1793548401339019,"prev":null,"subject":"erc8004:5042:8250","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. 0x555c671a49a7b0cd6a45c25b3500703a3785597589ae9c22d45d1fffd0fd144d
2. 0x4cf33fb6c513d930066f342ceccb15bb656a1d93b4b8a0b357fe2b528889ffc1
3. 0xcbd5fe338c512238a396a449066dfca524aed6271d8e01c8000f14f83f32d537
4. 0x4c9082c04690fe438bc723ae1d7822f6f950139f47bd1ca8fd933c7ffd0e7f9a
5. 0xd4c3bf6c68fc92b56606d5b6d5c2c307ed94d4d1e0a1067fae7690a9ccc6059d
6. 0x30960919972fd3fc535c9c983d3754078220860fb8316056c81bb1e09fbaa09e
7. 0x44b50f845fb2451b4fd04cd6407e683523fafdc46bb242f4e11ecff7820891e3
8. 0xe072e34b79dabc16e9f30077afd5ff6a85ceac4451be43cc6ab47ea93c7926dd
9. 0xcac8ea6ad51bd4302ff462f5d578dc34738300cf8aa6cc4eb0e20f345a41847d
10. 0x2ce9d88c0ad7557f08417b6576e499451218765b9a92f133e6cd162e46137697
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