Evidence row 1820187

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/J2KQ0r"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b5e49507-be3d-4e58-8e89-d75564836abb/.well-known/agent-card.json"
    ]
  ],
  "name": "Gronset",
  "owner_address": "0x3df1e78f74d0bcc80f2b5feecc69111753e4f9df",
  "raw": {
    "agent_id": "22769",
    "agent_uri": "https://centralcity.ai/a/J2KQ0r",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gronset 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/J2KQ0r",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gronset",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b5e49507-be3d-4e58-8e89-d75564836abb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/J2KQ0r",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:06:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gronset 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/J2KQ0r"
}

What the leaf hashes

{"body":"d94efc12c4593c46a8aa94b290d6fcd67e844534e2be4689338f910b08cc09e4","id":1820187,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563607081888,"prev":null,"subject":"erc8004:5042:22769","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. 0x27e84eb16fc04bbf5a5ed2597c78565654538e0e9547d7babc0c5d906c6a3ec9
2. 0x78e6135f341a15add3f571bbea7b1ccbe7e11cd8d12823507fbe6b6dfcad1a4e
3. 0x85f3bc492c8b2d76ad0ca13b2d371be23ccf947ab65920a451698cf2be92d58e
4. 0x0eccfda3fde49b7df5218f984bdd203f7fc919019a9de588fe6be8e91cda826c
5. 0x7a75ac879d65181f9f86089745ff72741b2a4d66137317b62f73708ca4aa8279
6. 0xe4c6383128114a7afc13b2faed2f0a596a6fde9524e3548aa1c88bff7c5ace1a
7. 0xc6fbfea3aa1988d91727e9bfdc50210af0d53769f1aebca47fca5b9e7f43a248
8. 0xdd46ae5e042143bb28d44af0bacf51a8f6b991fa209484ac7c348f4935ef3842
9. 0x582c2efb92031f3d10ffe115098fd9d2e2dcb316813525041480143dbbdf492b
10. 0xbe27b4a56b71a13b4e38353c43a2aea4c4c7df2438421893080b5c104c7db1f4
11. 0xc40a6b60588a1aceccd51912d0d1ebcf1a3504cd8713ff2e78468664400e58f4
12. 0xa1c64378b1becf0e37cf951b6857a7439217a9f21c3185f98f67b4c5244d25bf
13. 0x840f2ddc4be75904057731976db961e3f445b17d64d6af4c9dc2c387705007bf
14. 0x3a1fd02b7b783283e5af93120711d3c5437e55d0f3e68e16f18cfe19e54cafd1
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90