addrbookFor publishers
← The evidence ledger

Evidence row 2603932

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:190850
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
690b10b8e44f4fd9b1e183e530cf8b1f3faf9e3568055fc0842c1d9ea06ca229
Leaf
0xf7f1f11998910138e8fb2ac9f1edc7986a2986cd3663f51b3b06a6355c8e9b5f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/D1rEK6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/730dcfa2-c932-4d75-8db0-a65c66788440/.well-known/agent-card.json"
    ]
  ],
  "name": "Nusset",
  "owner_address": "0x776874cff180fef5551befaf46d0784d10a1fae1",
  "raw": {
    "agent_id": "190850",
    "agent_uri": "https://centralcity.ai/a/D1rEK6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nusset 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/D1rEK6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nusset",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/730dcfa2-c932-4d75-8db0-a65c66788440/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/D1rEK6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:26:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nusset 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/D1rEK6"
}

What the leaf hashes

{"body":"690b10b8e44f4fd9b1e183e530cf8b1f3faf9e3568055fc0842c1d9ea06ca229","id":2603932,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719594834656,"prev":null,"subject":"erc8004:5042:190850","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xf7f1ee24abd1484da11fa4b94dbfe2b4a7adf42c497edc0d14d58b0dbe7dcd59
  2. 0x336cb6ff90de674332dc5b8fd078281efccb65a62dffd3257400336bf25757b8
  3. 0x52ca8ce82c09d1f9c947556fe874da8fcc4701b05da20adaef6f37babe114060
  4. 0xe95ed8838a996204f356f4052747d2f9cca9e010088ea780aac7a68d94f7a739
  5. 0xde0eeacdf2712d7a48c3014b8f77a739a86948664008adf95c247a0122b0dfa5
  6. 0x67145d8fc73d9c07699a8114239a1fe8d0e67e786317d1c3ec4025516bc39fd1
  7. 0x1d7fc411ddeb9ab8d749de3e38e2f8f07c854f62f1bd1b307837b568ea79270f
  8. 0xf7e1afa55e5ff26972a29c0c5ef7ec24ac944782dde506f8a5a7b066e260f865
  9. 0x14f09a5e04a3078fd870c4dd720e404be4647bdc3589576f3274582477a254c2
  10. 0x562a06cb5da1c3ca3d193164ff987f6a9c34b32015298885b99c0d7646a2a4f1
  11. 0x0c9e50b1d5d6d1f7d8f6df31b970e3e85a3364c976e99f5486e7b7aa428ab8af
  12. 0x69d570430e0680b935f4539583daa1fe38a7c04eeec03c37ae6b8c6c43cc3040
  13. 0xb82c6f9993ed0052af72159e6cca836ea7f9958178a63f242d6957a81b24911d
  14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
  15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
  16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
  17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON