addrbookFor publishers
← The evidence ledger

Evidence row 1850124

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:40730
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b2524c05a6792601058eb911684b574730924c31b7bb97ef54fa45fd9473388c
Leaf
0x63a6e8277841d34380b05910e47490f86a0048b7b5a6851f8054e19c759a8302

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QYLvs3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c90c45dc-6559-4906-b332-469f41a67e5d/.well-known/agent-card.json"
    ]
  ],
  "name": "Gramomon",
  "owner_address": "0x177195905e8e35f4f3f161b93b660b12e081fa8c",
  "raw": {
    "agent_id": "40730",
    "agent_uri": "https://centralcity.ai/a/QYLvs3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gramomon 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/QYLvs3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gramomon",
      "registrations": [
        {
          "agentId": 40730,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c90c45dc-6559-4906-b332-469f41a67e5d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QYLvs3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793577815,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:06:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gramomon 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/QYLvs3"
}

What the leaf hashes

{"body":"b2524c05a6792601058eb911684b574730924c31b7bb97ef54fa45fd9473388c","id":1850124,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577994578027,"prev":null,"subject":"erc8004:5042:40730","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. 0x63a6dac0ec09b67094ad1642de283e1b290be82e145f8d5dcd5e6118bf7c39a8
  2. 0xfff9b8974259dab0c6f0ebeac3e7e3fc00b997a9d51744842092ab48d0dd5352
  3. 0xdd903c68e515e8c9964a7640a124b38e4dbfe2111bbe8a3d6d798a6e2a4f80d2
  4. 0x4584b213c74f884b645e8c86f7e49119af45fbbd68089439090b061cee21a95a
  5. 0xa527b737bc2dd4a3829aa99f193c0b02460b7520127bb49a3b7168b3f77fe6d1
  6. 0xf7311d33517f6b532b33f20ff8314fdb6fec843dfa660b7d20afb344fbd075e4
  7. 0x2da30a10223a23e0791b6bc46ad5bd4309130e12641128fcdca9f28672117e1c
  8. 0x680c941f8074de292d13cf61793308d964fe3a59721ef30300e8f83a5679cddd
  9. 0xd6bded103f4c9781fc6a3787516414b09bdaa4ac7436d8c6208f96dcc5b58800
  10. 0x25fc80a23ce99a8bda87e468a3871a2d46ff80e412b5c24160b61f644cfd5429
  11. 0xf81dc1310967bf542292c765db8667421bee570fbbd8edd052bd6c2646bdc377
  12. 0xeaef14903698d949a2f8825a96ee470a4b81b85c938c299d424667f8cfdda5be
  13. 0x43843187ed08d9e521651cb9dfff6531be94049b43e391bab5e05b93fc4383d3
  14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
  15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
  16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON