addrbookFor publishers
← The evidence ledger

Evidence row 2121089

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:88855
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c508a4da8780813ddb5111611cedf0a4f06beb142310b30867f76a0c89d574e1
Leaf
0xa20294c5dbf3c491add34b05de4fa3cebe3698f5aafacd3f659601da9594a536

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QNUajF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/05b37e3a-e121-4412-af96-07806a9ee693/.well-known/agent-card.json"
    ]
  ],
  "name": "Noma",
  "owner_address": "0x2e8b46757e584bad18e7703952e7c6bf01b8894d",
  "raw": {
    "agent_id": "88855",
    "agent_uri": "https://centralcity.ai/a/QNUajF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Noma 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/QNUajF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Noma",
      "registrations": [
        {
          "agentId": 88855,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/05b37e3a-e121-4412-af96-07806a9ee693/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QNUajF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793618898,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:32:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Noma 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/QNUajF"
}

What the leaf hashes

{"body":"c508a4da8780813ddb5111611cedf0a4f06beb142310b30867f76a0c89d574e1","id":2121089,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619167956613,"prev":null,"subject":"erc8004:5042:88855","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. 0xa202265894cb27f56178734f6dc8ef6b75220a67f8a5072e152cc5fe2de55890
  2. 0x3c55759446752e82ad03d8222da33213091594a548baee605c9fa5120e62a568
  3. 0x31d35747079c5f53ef4550065b5065539eaeb45096d04e4a74b700de2656be4d
  4. 0x8d386a21ce2ce1f52780cdadbeadc9e844b81770af27cf158b5cb445744ca1ff
  5. 0x8c5ddda295953fab3e851b1c9f117412bd0a99f85f0c6877e2a7b08939dfd29d
  6. 0x93f1f8d1e467e294fc17c34b92c12ee849b8e7fb0911c891177778c07b50d2d5
  7. 0x9429b06000cd6f6b27360ffedf995e34b433d28d01b8c9b392f6a97e47d2534f
  8. 0x2ed6dc2b0183ae0d4cfd3a557765a9ea4300ef244ebe54c7bbef083b6ab67b5a
  9. 0x3b42ad763add476c2959fcd921abec8220540da303784e1c27f015131c3040f3
  10. 0x53005652cf2d1c39967c8ba4caf54bf100b8896d635ab14a89c173b5f2483992
  11. 0x70885bd148a1ecfaeaa5b8338e40c080060ed9700cd44b72600bf76e6541760b
  12. 0x521c6b8b7cc237cb9afeeb07debb739b49c1f394630b79cb24e75cbd2492c4e3
  13. 0x0503999a04120486c11b5e359e441fd5221b6b3e14bbdcfd7b1b4e8cbc5077ce
  14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
  15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
  16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON