Evidence row 2154178

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ZDdG4C"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/46772200-42cf-4655-8429-a242edd2785f/.well-known/agent-card.json"
    ]
  ],
  "name": "Gradel",
  "owner_address": "0x08d87714d8209f89c42e999ca046fbfc547204d7",
  "raw": {
    "agent_id": "102787",
    "agent_uri": "https://centralcity.ai/a/ZDdG4C",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gradel 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/ZDdG4C",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gradel",
      "registrations": [
        {
          "agentId": 102787,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/46772200-42cf-4655-8429-a242edd2785f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ZDdG4C",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793629213,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:20:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gradel 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/ZDdG4C"
}

What the leaf hashes

{"body":"a01a9ff4a0f0b43de0f70a5544c0a03421a5a5426a599e46dfaa3be3b9619d43","id":2154178,"kind":"listing","method":"sync.erc8004/1","observed_us":1793629257078593,"prev":null,"subject":"erc8004:5042:102787","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x034a171c2fd4bc65f3995a19657e8f6094b2d0a18d4209a5d9f72a5003894311
2. 0xed069a830d8fe350b3809455c08d2c5d70ff328136103d411e4fa539edb9190e
3. 0x41207281f8e3281b958be25a901fc14c362461b95e5d571c7d7e2d43e4ff5bfd
4. 0xb8f204023db91625c1527323474610a3e59120676e7b3b9d23da3c1829df6645
5. 0x37c14a8d5f7b948a2c3727c5e1f89dd979e651a0abe24f414cdf54f9d39e6ccf
6. 0xfb1de3c121f54283654654f06627dcb4cf2f2626773d2509c8f33745df676a60
7. 0x71ba206cc523ee64eb7552567c77838a3b78c38c3b5ff27cd5001630c5928698
8. 0x9ca9abf82839e2bfdd25275d75840ba4fce775ea2386c0bbd2f7e09844014ded
9. 0xa730574101fd8083638624fc5599966ee168f134e300a157b759cd9e47bfdd44
10. 0xa073c75a206a499ab64b1cfb9695b90b722f7ada2f857af5b06c0c426f329e55
11. 0x08361c071fd10e1f00400bd2b96ef87f6f6260757baea387f5be62716341eb59
12. 0x976f3e53341c7cef87448e2cf12a2fe56d83522599cf3f1c10cc1efef7336faa
13. 0xf7591712adf911c6cfa936eea0be6a219c802459fb85a626a46bcc03207d81e1
14. 0x9acdcc385ecc9f1094faf2e01677d863638d23bede5aed4ca22def76698e0af3
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af