addrbookFor publishers
← The evidence ledger

Evidence row 2140900

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:96729
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
56f3a7d4ee5595ca256a52763474a97821b8b2711e76d02c07ef6e7afee5da32
Leaf
0x0ca1ff9ea338bf0613a66f13d83322a19617934b7911716b3fe25c869ac7cc38

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UEWc91"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d632749b-a717-4ef4-9fc5-a46bdd4fdee4/.well-known/agent-card.json"
    ]
  ],
  "name": "Nobler",
  "owner_address": "0xa582bdfcbcbd052faadbd0e90aab95ba3727e840",
  "raw": {
    "agent_id": "96729",
    "agent_uri": "https://centralcity.ai/a/UEWc91",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nobler 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/UEWc91",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nobler",
      "registrations": [
        {
          "agentId": 96729,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d632749b-a717-4ef4-9fc5-a46bdd4fdee4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UEWc91",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793624781,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:09:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nobler 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/UEWc91"
}

What the leaf hashes

{"body":"56f3a7d4ee5595ca256a52763474a97821b8b2711e76d02c07ef6e7afee5da32","id":2140900,"kind":"listing","method":"sync.erc8004/1","observed_us":1793624949930595,"prev":null,"subject":"erc8004:5042:96729","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. 0x0ca220bc05cacdbcf7db2ed733a8446a2adaa98df53a91ea842da0843063ef80
  2. 0x8b75b0ba965e239bc5551946d51f7e2de785213011d5887ab5b01bfad156937a
  3. 0x8493ba5ef8f82e56767397ea5bf16c657c85657dc9874157bf6804a474319e47
  4. 0xbd59624bfe93d9b0ff5d0a31d29fa8ee0315967a4a264d5b3eeb912e6600d0dd
  5. 0x674930335e96695cc306d64e896ebd360bbec1456fd566706760d836cce05302
  6. 0x646b7ad48bfba5ebbf19f154a9188168e92570a94b766a2bc717453f395a9f9f
  7. 0x964a23ae05e597c065db0af498f244a115d009f875aeba21632a84810069e569
  8. 0x8950a1641755269d73b48189528d178dd9ea2b010cdd00bf15baadddee8e42fb
  9. 0xb618439a730b795251310eaf75c864fa7f5cce96e2496289e1f568fcb69726d7
  10. 0x499100c6cd74b9f2aadc9b2bbeef4589be380151426be93d9e83cf7d0fc320e3
  11. 0x08651a8f1f24d751e6b14854a0081bba02ab929e8ca73bfd0fa8a4326183596c
  12. 0xaa94317dc89f969785a54ece6cf62c867073c54f5f285f0a61c8cf9c78f4f2ef
  13. 0x21862012011e9c7bd96b9da5758a45e44049f740c8ef1f280b01bc054552ce7e
  14. 0xdd12fe6a2b0c972fe8b92369b1535a7d883c9e1085b61ddaf4130d8880afad75
  15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
  16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON