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Evidence row 3031679

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:263450
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
49f6e7b41244ee018d8f0425f1e3e82d2ef3abfa43334a8a4d5f083cd4ed00c0
Leaf
0xc824bc6f54a7ef21be6e6501648ae1d281242494fe12cd3bbe530a7b1b40a863

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fEQlxm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dc5febb9-cc86-4bd3-9a0c-3af0836cb0a5/.well-known/agent-card.json"
    ]
  ],
  "name": "Porlano",
  "owner_address": "0x3b476d026c59888ebaffeaa135fa8b01a24a9c2e",
  "raw": {
    "agent_id": "263450",
    "agent_uri": "https://centralcity.ai/a/fEQlxm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Porlano 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/fEQlxm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Porlano",
      "registrations": [
        {
          "agentId": 263450,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dc5febb9-cc86-4bd3-9a0c-3af0836cb0a5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fEQlxm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793809719,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:33:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Porlano 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/fEQlxm"
}

What the leaf hashes

{"body":"49f6e7b41244ee018d8f0425f1e3e82d2ef3abfa43334a8a4d5f083cd4ed00c0","id":3031679,"kind":"listing","method":"sync.erc8004/1","observed_us":1793810001917885,"prev":null,"subject":"erc8004:5042:263450","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0xc824c4f8128d29e97723453beedd9e822f219878029cdbb2c6ae8ef9d56cdc17
  2. 0x57cf79149581db01fabc2c17c61a1745b5e77f7cebc92905c78bf4df82da50f7
  3. 0x309b4fb93b607254f7005971a01ba460b246a1c2e6540a9de9079a14e498ecff
  4. 0x8af99e0f67d293d115ba76a4159e74c787c3b2fb0dc6a6fa217b32a810317476
  5. 0x7cbf0cd5a29975b1052ff516e16377e7e43109f25a7671c078973ff0ac725ad5
  6. 0x6a50c1da887094ff00cfd68d1dcf6811113fd362a7d08ddf86267a1abb3335d4
  7. 0x6ae5cf0743e82cc23c34a3032f19eb11efed46530ee991559f733effce11d81f
  8. 0x98a9c2630c5a8c1412237678ba0f094052cf15b78e2b0f6741b8a2f7ed2d5a60
  9. 0xfb3c3850cf6152c4168ee66146546e6fd017b184c05fa570fc10876c67ecb12d
  10. 0x60950b022b5cf8e6b342fd6b4ec7164b3d196a49cd324865963012dc1ddfd105
  11. 0x5e269c663c8610c735811eac61755a7e0a50d9ec7eb0a372b585f62b046b363a
  12. 0x3896ec4cb87d40880ecbbee9131b0fdc4240fbf79a6e900042972cc85210c9e9
  13. 0xd5733babafc097f5ec394f45bdfd63e892ae6b23964cfb5e4169128275124cac
  14. 0x90012fcf29099b73d24dc68936adf2b2365bf0be4f4ecef52e4c03a41113ab4a
  15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
  16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
  17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON