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Evidence row 2720553

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:208180
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
410e4db70038beec758846142d535cd4484687bf013cb3893bc731a22d1f6ffd
Leaf
0xcb123c700c38f2ca915b8aeab4b520cfbbfa290f04105f1b33201f68719a798a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5jC0fC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/67a76289-5100-43aa-809d-7bca3f461e58/.well-known/agent-card.json"
    ]
  ],
  "name": "Masert",
  "owner_address": "0x6b6ff191fd118455217a4e642274fb3313b19f78",
  "raw": {
    "agent_id": "208180",
    "agent_uri": "https://centralcity.ai/a/5jC0fC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Masert 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/5jC0fC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Masert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/67a76289-5100-43aa-809d-7bca3f461e58/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5jC0fC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:17:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Masert 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/5jC0fC"
}

What the leaf hashes

{"body":"410e4db70038beec758846142d535cd4484687bf013cb3893bc731a22d1f6ffd","id":2720553,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744267777882,"prev":null,"subject":"erc8004:5042:208180","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. 0xcb1233a8e3934814e0df709738a772e0a83179d8cf498db9651d5c73ac983ae6
  2. 0xcd9fa87667df98ba7d4cc58c921846d31c15a8b494c8f8c2f437329d5e06f0af
  3. 0x5cc7f5c3b5fa4e024cd0e12a911dd11d1fe8c2d075d600ec60af79dbc3a521af
  4. 0x3c163c0da02566afdbccb2c0172e1e72a1ac530b4f9ff5c57e9ae926fc992e2b
  5. 0x341fc6eec29292d3d8a1e6c256eee1c8f0f5b67492da8fb741ff6d3440bffd95
  6. 0x13596b28884e70c89d187c493be195ffbe0e69dc01dba7231124d15d64ade97e
  7. 0x37db525f4c3b72492cf2e8700bb0fd3a667de0905c40e2280a20bfa0a4b7db8c
  8. 0x428384db81a6208c5cfc62a388b6bf4f7753b950c2bb03ab89ca361c7080cc4f
  9. 0xb7763ee4d6aa7d741b84e32aa679c85b821940c1cd81ee6d20a1d1bff38601ed
  10. 0xff9717d95b70b2de17626473a590af6487ebc223974a946d2a4e0fd361dfd0cf
  11. 0x1175bff495a6ebde6163067fedb3491f9f5e2a7f5580afdd87d65af5d32abcab
  12. 0xdbb677931543240db31acc89fc1a9b53835dee388a4e4c67e756b443dfa01970
  13. 0x33fc1351c38cd27bc6972d4d1d2c6baa7fb113346e29547df2fd38d8e6c92e40
  14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
  15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
  16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON