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Evidence row 2077913

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:70602
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5063e8264922c21a4077e5ef7753257a4e8c07c8c0f193c2d9c3217f85fea624
Leaf
0x9838f65ef36e791c3f9e993e81fd56e1ca8eceecbe92e8c59ca689b984b9161c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/1BE3fJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f43b243f-be9f-4a0e-83ac-70664eb62c2e/.well-known/agent-card.json"
    ]
  ],
  "name": "Noveon",
  "owner_address": "0x5ffdf9bd16de2663a753da3abd962ece28d25287",
  "raw": {
    "agent_id": "70602",
    "agent_uri": "https://centralcity.ai/a/1BE3fJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Noveon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/1BE3fJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Noveon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f43b243f-be9f-4a0e-83ac-70664eb62c2e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/1BE3fJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:47:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Noveon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/1BE3fJ"
}

What the leaf hashes

{"body":"5063e8264922c21a4077e5ef7753257a4e8c07c8c0f193c2d9c3217f85fea624","id":2077913,"kind":"listing","method":"sync.erc8004/1","observed_us":1793602051268574,"prev":null,"subject":"erc8004:5042:70602","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. 0x98390871a01b72acab2a4ba7e3f034bc6b61f64d0e317b4defe6d324a8431aac
  2. 0xe4332a7e4cfa0bd7e695257a85fa88a4c6fd052b7987e8de2438e64fab6aaf4d
  3. 0x7d9564c687050834ea73d4f7fcc65c8541fc991d2e9102c975982cd0bcea9fa7
  4. 0x2c243ad3d248ffd815f08c10163cf663b2cab5eb9255c5bccb298edc4b34db15
  5. 0xeec02ee74f3a238446611082b0784ac7ff0b6f08606f60a4048997ae8bb1f4fd
  6. 0x4f373f668c27bab727ff5c0c7ebf6776f76c61457b17111ce98bc29ef6218de6
  7. 0xd76e171fa86673361f42fef69bc7b9bb3f13fc337c7b3b528b45a0584ac1a5c8
  8. 0xcced17e7db1bd04b83476959c08bd2e58d8b48c6f1daf7cea83425bf9703c04c
  9. 0xb5d41b00ac77afb5f3c446f70280672e6a9f11f50e912a8a2f42ada4664b0b7f
  10. 0x5223ee7b9eb7950669dc43f44d004ada9c625fd4aaaf0848573b978be294ab03
  11. 0x6bdcedf7e191b45d839351a79a5e3976958c98fc5c7730497943a945da813667
  12. 0xd4030d277689929823c2ca835f5a68477c633a7ba2ef9073c95bd96efab62dca
  13. 0x161ab8dfe29d5443837514b3760b34879b8201d43912571c314e4142639b07a3
  14. 0xc5de092f33d9a5a2d3076d47423feb11b0630cdc080163babf6390bb04568ce5
  15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
  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