addrbookFor publishers
← The evidence ledger

Evidence row 2051886

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:58778
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1dede3204743efa449c8136bb9974964df089854368feedddee6fa7cc3c20ed9
Leaf
0xd84da4e29b4028ac670445e439079a7ff1d7f46a87e676ab98d650976b02f742

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zaqsSf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/20f552fe-c0e9-4b5f-a8f6-44b31fada554/.well-known/agent-card.json"
    ]
  ],
  "name": "Krerker",
  "owner_address": "0x45c648eef2ac81b9845ce78b428e63131a7371bf",
  "raw": {
    "agent_id": "58778",
    "agent_uri": "https://centralcity.ai/a/zaqsSf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Krerker 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/zaqsSf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Krerker",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/20f552fe-c0e9-4b5f-a8f6-44b31fada554/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zaqsSf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T04:04:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Krerker 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/zaqsSf"
}

What the leaf hashes

{"body":"1dede3204743efa449c8136bb9974964df089854368feedddee6fa7cc3c20ed9","id":2051886,"kind":"listing","method":"sync.erc8004/1","observed_us":1793592287212051,"prev":null,"subject":"erc8004:5042:58778","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xd84da3d158423116e99339527f8c1e961d32b15883b1bbe448c62dd6f7a4a1ee
  2. 0x98ad1c515a313e6118d24796167f5e012fd25be2766498af86e99ec9d91d1520
  3. 0x5e37b5de56e4aa137bc851906e7f357840f1c7c2584dde971997f6fe43613030
  4. 0x307ed7de127fc58f4fd9b9ff54656cdb70406b7129db39ad6f1913004770fd89
  5. 0x0e76963e38b0d23baddf32e2aa39c04ae49b9f214563d96e9e06bda73b972256
  6. 0x4e2f001e815a01fa90b1031bf4cade4a2401cffcdf1eba4f150c6e544ec9a1e1
  7. 0x7f1606bdd2f701f030d5c4f8f2aa80563802d51fa383fa5bb1a4e51951630cf5
  8. 0x37e436f2fa8bac6dc3b93a8d5f0ba8369116e356fa592afe0c0285901de0433d
  9. 0x0f089380bab552a2abea61efdfd812a04bc27415f69f8d023e2e390a04bb1996
  10. 0x7de685beb3bff4ffb8f05ad835a71987eac5efb1a3e990c3b1bbf59e3bed329a
  11. 0xb58fae1b3cf8b254f41faa802d66cdfcc9a21a2799d6b33b71bd3dcab8cceb4b
  12. 0x0dc21179b244e152a4d9195843aad224b97981b54d9cf0f3d6e5df650ecb513b
  13. 0x0a0b06366ac223b57a065057db885c66f1a3225264321b3732529557f57cf2a7
  14. 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
  15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
  16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON