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Evidence row 3393881

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:329013
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
44239de1dbb0536fb14fbaaf6d5bb8d7db399cfff4d945a2af113e1fdd1face9
Leaf
0x2142a65c695e0abde2e762c62fc14dfa59e46e25b268ad8b6879a347f2d6eefd

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zS4AEF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a5f3caf4-cb9d-4f85-a24e-31f0ab3fb625/.well-known/agent-card.json"
    ]
  ],
  "name": "Gravel",
  "owner_address": "0xb2648c87f3d9ab0587c4240fbaf55e9d2569010f",
  "raw": {
    "agent_id": "329013",
    "agent_uri": "https://centralcity.ai/a/zS4AEF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gravel 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/zS4AEF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gravel",
      "registrations": [
        {
          "agentId": 329013,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a5f3caf4-cb9d-4f85-a24e-31f0ab3fb625/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zS4AEF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793880449,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:09:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gravel 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/zS4AEF"
}

What the leaf hashes

{"body":"44239de1dbb0536fb14fbaaf6d5bb8d7db399cfff4d945a2af113e1fdd1face9","id":3393881,"kind":"listing","method":"sync.erc8004/1","observed_us":1793880579268307,"prev":null,"subject":"erc8004:5042:329013","subject_kind":"source_record"}

Proof

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

  1. 0x2142b6cfc0d88606283130bc120b3145d2be2eacfb692febe3da66be24b55781
  2. 0x20c96208db5bbad0dec9816da6bdcdf5ac55c3e29114d61559ab41d669d80827
  3. 0x8319216ecd204146250e712a65d25474a03d4d7aeb1b8ad143d22052fd9df0f5
  4. 0x59b7abd6bd5764e0ae2cc2f6d5ddbd2cbf9a0aca881d252a851354eb4558511e
  5. 0x126569e689a6e08b3e02f468a0b6e2a900beb5bda864c6f4fb7f9fcb985803c4
  6. 0x122869de53414c39dacce094a40dd9a7b8c2663f977a2c588429e3167f6a4610
  7. 0xd8d838b85ebeabd38704e444962408500ea9b2ab779c558192fe9f8ae57ae0a1
  8. 0xb0402dc5da2bff4a8e671b9eb28e062e4f15740d85d0743e46b7dadec487d435
  9. 0xac16d37456053d35551217faef1a65417c8b7733e72a4995806f283434a8d387
  10. 0x0b4c9ec65f88c5f17d3b08d0aedb7e8240503f48a3cc4944873d1b5f6c76ea0d
  11. 0x69b9dfe055ea221fe576df09dc8b8b9e349edbb0455bc7ba28f893d248f872ac
  12. 0x0292d9a95e08c1673f0fd14cfa2fc4119cf1e08b025d8c377052ffe9213357e5
  13. 0x4181ce139325bc91525f388f5c52c1a8aff251e468e57b1a94790cbe306f2928
  14. 0x492a5126036ee8aafa91dc608819dbc168a2d5480dc97bd15c3ed39b7796b0bd
  15. 0x7c0ecb381cdd978337dc5ff40a1a1db43aaef42628e17d5c85ef5bf173d90fbe
  16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
  17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON