Evidence row 3457073

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/avEK5n"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/545691c4-0c98-4827-9d6b-2b35cc34a552/.well-known/agent-card.json"
    ]
  ],
  "name": "Maassias",
  "owner_address": "0x6f9b4200ad7f9df9fc50974c4f82b2bd34b97c0e",
  "raw": {
    "agent_id": "353723",
    "agent_uri": "https://centralcity.ai/a/avEK5n",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maassias 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/avEK5n",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maassias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/545691c4-0c98-4827-9d6b-2b35cc34a552/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/avEK5n",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:59:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maassias 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/avEK5n"
}

What the leaf hashes

{"body":"e87d55860073ace00438770280c0b95fa9e209b6b74a64a331f488285dc5f7b8","id":3457073,"kind":"listing","method":"sync.erc8004/1","observed_us":1793912388454956,"prev":null,"subject":"erc8004:5042:353723","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xbf12e409aa8c5d2ef1fc8591f2ad869a778800cdf2edaffec3c9d4373538d3ac
2. 0xeb10771c8d7edc9e8bcd8c0c936e55712af75b1db23705db67c69adf60710258
3. 0xba4208579a7a43ed6ef35e20ef771712b30ef535a21ef830602f5a7e5b91c3a0
4. 0x0528aae8931c9d7924a6d8365cd632d9fa5b9951e36f23463c939b50ecf6f948
5. 0xb1e99593cdb1240fbc4dfe7db9ece2c389084eaab43ce9d05ff0aa523a859852
6. 0xd11fc9714a0802e77f2070df42afde19711b1e80512ffeb728296d26ed99344d
7. 0x8446bf379f0b9dbe363370702f61a962d82ed61d8b3869e1d68834807b159641
8. 0x67bb2e1d77fa8629e3a5b2ec1b0b345e4ba91a1f85d942c77b1fa4958cd5674a
9. 0x868bab10fb033da5847d6d38608dec964b5692a607c3ea7f5b2a8defead99780
10. 0x02e625da95bfa04bbdd68089edf85b2483e48cb7c7a43a15d77299fe4809649b
11. 0xcf489f759a1f6485036e7a6205ee775ef02b91f8fb05b53611ce5428c2836bf7
12. 0x68fa8a360833acd31855f6f46f3c4f0e5a9c24a0b942bd75369b4b5ca085fe02
13. 0x0094125755cf4d53859179bd3542321fe895e3ac40c3c2ffe5b2c3139ea38467
14. 0x876741791494e92b6f75db13043598085795215fa5ba6b39a6d004eb9c7632fa
15. 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94