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Evidence row 2727161

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:211172
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
678010a1ffc7244300b82da313abb8329119031737137b9e55e3ca59f778d325
Leaf
0xab08ceca52910e57ffeb0616d61edcc83d2952da204bf155a8e8313f73e27d3d

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UYsnrf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6bed8649-b9e7-4450-9328-2620d2c2c552/.well-known/agent-card.json"
    ]
  ],
  "name": "Brianser",
  "owner_address": "0x179beca9a5dcad9918c5364c23e97c6428398b17",
  "raw": {
    "agent_id": "211172",
    "agent_uri": "https://centralcity.ai/a/UYsnrf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brianser 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/UYsnrf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brianser",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6bed8649-b9e7-4450-9328-2620d2c2c552/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UYsnrf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:19:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brianser 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/UYsnrf"
}

What the leaf hashes

{"body":"678010a1ffc7244300b82da313abb8329119031737137b9e55e3ca59f778d325","id":2727161,"kind":"listing","method":"sync.erc8004/1","observed_us":1793747996496959,"prev":null,"subject":"erc8004:5042:211172","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. 0xab08f0343bcd755f60d987117f33233d80938aa8e8a0660f81658c3b93b966be
  2. 0x90da4c58b4a2f6cb39af00fd8b73e90f35e59912fab15c481f2b730594fbb8ab
  3. 0x477a73b404bdb3b5abde76594654ca349e43f59014181f1bd5ac405d7fcd19af
  4. 0x5728ad7f1589bfbe825d50bba8ee5d24af26c360d9d561dbca06d67ca3998c9e
  5. 0x5962e69ed0ba6448c6f0d584a25efbc70e3bf291b0162a77c00f885ba9e8fb3a
  6. 0xba0c4b2f2155629cf1433e6399244017eef6c636ab209138df271bc02808ad83
  7. 0x8e57c8651c5b069fd4259e4cd2582afad6b5ad4708f3443f60a94dced1e6f2b8
  8. 0xf812067d264dff2d3d1e34617a62619e3f7e812de664623e9367032febc08a0a
  9. 0x8fb49687b4e35c2f8908a91533d28b5514cc9692e11f26f5fae7c1fbe0381ffe
  10. 0x490ab2923eaa20452ad6a9fbd4e3cbdb250914b3c78397a7c8909e21b834abcc
  11. 0x7aad97f9c19202ed792d3ffcb5dd4596d95a0fdc035000db6e78600ddba88136
  12. 0x8bdda78b1bcc57349d392197d7cfffe76b95b0ba76cca3561d6533c1e4b2222e
  13. 0xa18f5d0a554eb5516046cf11a05b66ca3d94bc092e8cf210be6246477c4f0d08
  14. 0x0ca6f7cbe9f26e47db97b53988aa24d0ac07d16b5a4d91abf869814d4d297de9
  15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
  16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON