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Evidence row 2049141

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:57328
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c8a83975611cfd9022019a50ab4c2e9f6eb3f8c646e0942a6fd657dc937cee8c
Leaf
0xbf60dd9d51d11ecd8a8b651edcf3d844ede57aa8b0ef64a97ab31e01e5c8f3ed

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/tBWhjK"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cc141000-88ec-424e-97e3-5a21d66539bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Fonsano",
  "owner_address": "0xc96a4f49e23af8786c9f54b8993d5e3c90827ba4",
  "raw": {
    "agent_id": "57328",
    "agent_uri": "https://centralcity.ai/a/tBWhjK",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fonsano 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/tBWhjK",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fonsano",
      "registrations": [
        {
          "agentId": 57328,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cc141000-88ec-424e-97e3-5a21d66539bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/tBWhjK",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793591052,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:47:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fonsano 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/tBWhjK"
}

What the leaf hashes

{"body":"c8a83975611cfd9022019a50ab4c2e9f6eb3f8c646e0942a6fd657dc937cee8c","id":2049141,"kind":"listing","method":"sync.erc8004/1","observed_us":1793591242723726,"prev":null,"subject":"erc8004:5042:57328","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. 0xbf61197d93a217f74b70b806edf3938a96dab41cc5a9400fbe3a09cc4afe7698
  2. 0x2c5d7b41b9e0c4f159ccbb56fb8ddca182dff7005cbda5f0a1444e55ea7e77c3
  3. 0xeae94e425eb50b9ee0d698218526ec0bd7562bb5b063aa7d8938b52f66f40b48
  4. 0x170fddc2d69a72408e05c74323988c5eadd9183584def8ad26164d97709bc535
  5. 0xbc0bdcb060a459f238f11188b92910a2f30008d9c7a08266aff089158b37411a
  6. 0xdda34f4b9b5dce7c160d3800fc6bed8439cdb13058af9d3a4f33c0488574dc1e
  7. 0x5ec64361bf21500b5656988c0d5e9c14aeb57088f085fb2b7582a8993bc4eeec
  8. 0x409b084af9f8ccd23e95d06964f408e5b07aab8b59733766bde3a639ddb922b2
  9. 0x300a0db82323b7c530c3a459856f08a3f61b13669d0413c9f1a9d34d80caefc4
  10. 0xc5fafa793aac5b4ac596ec23a4b68b897d54a2e8dc9c1264ea01b920b8435758
  11. 0x4bebe4cc19bd0ea58ce850b3d1d1c0d6fe44c10fcbe094027f2adf322d004725
  12. 0x52737064c82b362c31548eef60a752b6fe11c86bfe2932cb19725ce08f688ed7
  13. 0x513d275f726a7e76afc5d1c5ea455e84ec639b5765f0d561d290fbac6c078a4f
  14. 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
  15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
  16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
  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