addrbookFor publishers
← The evidence ledger

Evidence row 3411531

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:338892
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4d039654f4d7579b79e5df401e7e700d8ff8ef7d2c7d7610a2d8ea5ff97a0de5
Leaf
0x4b58b00df4eb4c47a82ad9f136950fd1069ce24f216aed99e04033a40f4b6f1a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qGprnB"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/51089a10-4264-4f14-8989-f309fcbdb659/.well-known/agent-card.json"
    ]
  ],
  "name": "Grimpis",
  "owner_address": "0x09b268468a8ed082d00883fb78370de3e71a71d4",
  "raw": {
    "agent_id": "338892",
    "agent_uri": "https://centralcity.ai/a/qGprnB",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grimpis 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/qGprnB",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grimpis",
      "registrations": [
        {
          "agentId": 338892,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/51089a10-4264-4f14-8989-f309fcbdb659/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qGprnB",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793886946,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T13:56:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grimpis 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/qGprnB"
}

What the leaf hashes

{"body":"4d039654f4d7579b79e5df401e7e700d8ff8ef7d2c7d7610a2d8ea5ff97a0de5","id":3411531,"kind":"listing","method":"sync.erc8004/1","observed_us":1793887008060948,"prev":null,"subject":"erc8004:5042:338892","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. 0x4b58ee5c0043db344e4cac9b186877a58149597e864339f0595cd3862d97a622
  2. 0xb5fe631fd70f40de64b0816cf0e15b4a2a51f7dfea3fb546e52fa3939c433b2e
  3. 0x204d53dd977c5851c63fc8bb14269d3e160ddb5cc2b65e39c6ef9160d922270c
  4. 0xd4b2c91ba1d12ade5d7403356f35cc76359c68744d011da62d2d177fcb596feb
  5. 0x2758f89ecac19c19db121d9e9c184552cb43d388222ccdd9e1a4d95625796199
  6. 0x9e2f1c08d8902755ccbe76b679db5aefdb912e730a4321784565697d008d3847
  7. 0x48c625297ba5d929c9558e1356309c62187f651c3926634afc254dca57514d18
  8. 0x4d6723b2011797885e6c23ed84292b267e91dedab5737d1cf627a4b4c65094c4
  9. 0xead43948f9169d5c032acf27a50dc1b6109d895505d1900943083ff9b2a3eb37
  10. 0xfa4dda147b1ce954965898414d7d530b15809cecbb3a9f4247e2da22f30cad15
  11. 0xe4d70a075823831c5d5ecb4653ed3ed3bf0fbf2a067b6616b3e431657e6e90a5
  12. 0xc52e16d3c68947f51efc300d768d2c0cb4fb5fd8849b2abaa61811cc16be4a91
  13. 0x9899177649213895bad2e2e2dd6d31b170ccf53409d2b31f71901d3ceab239f8
  14. 0xf1ebc8b794cdbee72cfc7d6298b0f35487ba5d0e9f7a1e6e7c1c1bf23640861f
  15. 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
  16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
  17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON