addrbookFor publishers
← The evidence ledger

Evidence row 2572110

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:179547
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5c7b298ba90ca442ecc8c1456fea64d43a69e52049c01d632b154b3080fa4ad4
Leaf
0xec4332211c4d89eacba96fa15f23d1ff8a4272444a7f449c44960fd6c3fd79d0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/W1tb8g"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e5b1dcd7-5d00-4873-90b5-5d7e9b002ac8/.well-known/agent-card.json"
    ]
  ],
  "name": "Mella",
  "owner_address": "0x103680fca8093f7369733cbc014108c377bd2266",
  "raw": {
    "agent_id": "179547",
    "agent_uri": "https://centralcity.ai/a/W1tb8g",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mella 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/W1tb8g",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mella",
      "registrations": [
        {
          "agentId": 179547,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e5b1dcd7-5d00-4873-90b5-5d7e9b002ac8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/W1tb8g",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793705496,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T11:34:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mella 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/W1tb8g"
}

What the leaf hashes

{"body":"5c7b298ba90ca442ecc8c1456fea64d43a69e52049c01d632b154b3080fa4ad4","id":2572110,"kind":"listing","method":"sync.erc8004/1","observed_us":1793705689560132,"prev":null,"subject":"erc8004:5042:179547","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xec4338cf54070e97b580a3d4a010ebd69d33bbaece9f38f40ed2b15df2585f2f
  2. 0x35943d4828bfec65d60c07e5924bb2ba78e1df62fddeffebfee7a4c68182ea98
  3. 0xe1612920611c8fc170e7316292dee2d6264d5b492f35f2bfd503952c418ec6ac
  4. 0xbbe92cb3c6f1a02dd2cc0cf5644e9218df3378e88781fe764d0d0967fc70d96d
  5. 0xf2153e021a76e3a4bf3ad5addb29664ad7a0bb4849181976e811bfd9540be8ea
  6. 0xc0193a8704e5a9683dfa9fbd81663f427a999898c11df36c1dd2600824982e5a
  7. 0x2c7946ff950443d722cb6c105d229caa6467606a3ecaccd6ca244d159c7e8568
  8. 0x9ed800bacca2dc97adfdb24ecf8421ec2dfab85c6292809c0373891c18cf5f13
  9. 0x9469c1223944d0f02ea0fd1ce893e28e7d854e1abc7aa8c8f13170999f9d9f56
  10. 0x4901b0f1326b1a410bf9997816ae217ac71e4e6d9676181cb6b92c41744836c7
  11. 0x91e5ec5bc48d61f0a6ed4347d55893de6a55a3b7c4e5496fc8c0d458b8822040
  12. 0x9a04df5302872adb1dc149148d84adc5a4ab5f839a23b49f756a2aba6e828a31
  13. 0x57b25ea6cb764c62af44fb8bcb6cfbbf38d741be80780cc55d536d03fc0602ac
  14. 0x3772686f2a1eb334138050fbc502de05a788284f1b6d6ecca81bfe0056770df0
  15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON