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Evidence row 2578988

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:182224
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3ef4ad50d5099dc582e68f5e5ffff0d026f71a9c32ffc6fa93d69fe49a1c2f2b
Leaf
0xd633636a6010fbff9d76fbf8037fb02ea823515dea7ee080a256905c2be9a50b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PgAPb2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6ac7ca69-b535-41ed-a438-30ab511b5d5f/.well-known/agent-card.json"
    ]
  ],
  "name": "Harkert",
  "owner_address": "0xf7c82c2fe94678cbeaef8b07efbd063fd72dcb51",
  "raw": {
    "agent_id": "182224",
    "agent_uri": "https://centralcity.ai/a/PgAPb2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Harkert 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/PgAPb2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Harkert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6ac7ca69-b535-41ed-a438-30ab511b5d5f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PgAPb2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:25:50Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Harkert 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/PgAPb2"
}

What the leaf hashes

{"body":"3ef4ad50d5099dc582e68f5e5ffff0d026f71a9c32ffc6fa93d69fe49a1c2f2b","id":2578988,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708750103353,"prev":null,"subject":"erc8004:5042:182224","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. 0xd633740380b8c9d95d0b37e046d393a07de4167325b76c394b3691902a1af754
  2. 0x3faf86d2b926b4966ba11028e4db5f3c13885fe85a744d5618bd5fb422e727ae
  3. 0xee33ca822dc6487df5902f6d7ad839cfe59a07ba045186c0f3c0639f4194b2b6
  4. 0xe6f5a50035c31c188fe71a514b46bb1a7d9dd4d193be97c65c64797418ef29b8
  5. 0x105743bd7ed1f84474cf0586cd47232be38a2052018a26fe3d4fdcff46c450f9
  6. 0xa6294d51714494fb0924fadeec37823ff9d4e310bb32f8faf51912c8818d2ff2
  7. 0x61c4ae3e577fb473ff579d20f5953fd59ecec92258e54ddcfded565ae2e96185
  8. 0x52711b1939b05c3cc7985e747cd0452f019a0d96fffb7e2272cc94cf272b865b
  9. 0xfae23d6e33bd600916d9b7fc3941f4b88b306ba14d4ae7ffe352e3e99cd9f7ba
  10. 0xbe1981c608e390180598c542f01a01037c1b94a27e571ab92137f9e33a08d43a
  11. 0x7d71a10d166c21db90e9ec1924ce54d7cd5a7a25a650ed5da3404d196746849d
  12. 0x057b909703f90e9c9ff75ad5298fa8fb0d46bf6aaac2c05c0231a8953f710f28
  13. 0xce9b3265fd4a1a5e8698c5c73a9e511cda70851e8acf6892984553578379a29c
  14. 0x18c35417f7b285121a68d43297e370931a92ea9fb5a8410afcf7e021d5ec8b7e
  15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
  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