addrbookFor publishers
← The evidence ledger

Evidence row 1845958

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:38221
Recorded
Previous row
#1845707
Body SHA-256
124ff5c095f8836ee4fb0bbbc6af41530112139f784d8be6be308d74f0916743
Leaf
0x8d9aea54e9e4d9457fde4fd8ff2d36c176f1558252d753c61a0862d8a1841d57

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/hqpn36"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/74daedc0-61a6-4b60-a9d6-8418f2735c70/.well-known/agent-card.json"
    ]
  ],
  "name": "Grumon",
  "owner_address": "0xc499f191fbf5b1744937df7c7069fdd53b0e71a3",
  "raw": {
    "agent_id": "38221",
    "agent_uri": "https://centralcity.ai/a/hqpn36",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grumon 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/hqpn36",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grumon",
      "registrations": [
        {
          "agentId": 38221,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/74daedc0-61a6-4b60-a9d6-8418f2735c70/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/hqpn36",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793575907,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:37:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grumon 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/hqpn36"
}

What the leaf hashes

{"body":"124ff5c095f8836ee4fb0bbbc6af41530112139f784d8be6be308d74f0916743","id":1845958,"kind":"listing","method":"sync.erc8004/1","observed_us":1793576247817655,"prev":1845707,"subject":"erc8004:5042:38221","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x8d9ac924eace748c13543d4173243d7d88793cc5786ce0a9341efd2f641dab0a
  2. 0xf8d3f9a2946f3dfa2ad9e4083791955a55ee56009c12b62cef9fc112fd2773ca
  3. 0xa410c3b547fa5b6552e6856beb383717943ad4b3636947a74f4717aa07723000
  4. 0x2f17c52a7dd2093426cd3ae1a424eb672db70a9f8e9d5e57f655935a2e410e33
  5. 0x36d487f887b40994d346f58abecf00381506890e229eb79d4415f9e8925af5aa
  6. 0x37699976f733e49f840530cdc1b86fe0b073bed9fec60960b67f32fd72e1582c
  7. 0x89f9c9febe45788a0cd55fa5023fb0798acc074b97c5cff9370dc7a34e00b39d
  8. 0x853c02f115a2ea173bc132ee7cbceec76f89bd2d8a1f822bb2336897b1d96293
  9. 0xf8c31a1f95314a4245fcf42de910e53d37f669e80fb1e7e19a1c0a5628a6c20e
  10. 0x575f8ed1b7070234b80d4c6b910d00fcafeda67cc4aca71123a90d1095ce0862
  11. 0x591aea021f7cf8b6c9f92a3c371a7c64cdf7150c58a37b14b2626a676a919f49
  12. 0x29d7a2a4df0d7fa79f3b537becdf01ca611b7c70fbde18f9fae82bb3e270cc73
  13. 0x6129eb29b7f3727c333751ed672fa6e4b231f839ed64750b5d1005800847c8dd
  14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
  15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
  16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
  17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON