addrbookFor publishers
← The evidence ledger

Evidence row 3440658

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:348596
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f56ad8247bd13784ba9a4cdb4931242e9cf4a60631640e11da3c6ffd628cb0bd
Leaf
0x041028b02dd5c8ec080c656f983120f5143b68162adacdd8ab28f9b184b46fb4

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/tQdWdX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4e99c391-c500-4d82-a86a-d0dc41769e3a/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiossel",
  "owner_address": "0x711293a827815f830e7648c7d933664bf94f2586",
  "raw": {
    "agent_id": "348596",
    "agent_uri": "https://centralcity.ai/a/tQdWdX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiossel 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/tQdWdX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiossel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4e99c391-c500-4d82-a86a-d0dc41769e3a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/tQdWdX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T18:37:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiossel 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/tQdWdX"
}

What the leaf hashes

{"body":"f56ad8247bd13784ba9a4cdb4931242e9cf4a60631640e11da3c6ffd628cb0bd","id":3440658,"kind":"listing","method":"sync.erc8004/1","observed_us":1793903863296168,"prev":null,"subject":"erc8004:5042:348596","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0x041036836a18146cf0074e767a2599c812b46906e1cf3ea387b2d1b92f72a795
  2. 0x72310e82a3598000a057a353d8dade8e792f13a5fbb127096cbaf0b9011228e6
  3. 0x49626d25cdb509d41532105b119424c0e4b166526ff952fd444fa430e956c6e1
  4. 0xb299a9410887875a9570c89cea2c048c84153451640b1ab99f3443fbb416fc7c
  5. 0x3a8ec495a887a18489dc2f158c05a5d856359a6e08129303805ea2e18076e1a2
  6. 0x80c333f7365e82e650d69d7563dff8ba0133dfdf04b7fd66faef7e7e8d2abf55
  7. 0x9395899c3b28e7dd24b993f6ee1e931057ae0af5b74ecbea74b080633f392afa
  8. 0x000931574a79756c30752c0ec90ff5a2be0482ffd7a30a3d93620ea48aeac5ff
  9. 0xec91d72988140d49a0d533ff9dd6832833baa55115e5ae62f57801fd84c2939c
  10. 0x67089dc8577a19065193130bfd33b936a781a4c71955b6f8c3d8a3b4d4a48c04
  11. 0x835cf17b02ce1077e8b96c5d6800f39b20c80bb897e32a551074d18fac1b3c5a
  12. 0x569cf0ebc75722bd84af6015831b83f37383f6387a3ed4dcc25ce84c41be4dcf
  13. 0xdda58059c2ba551d571bb433cea1f9071b29528a782512f968185b326be4500e
  14. 0x5d36fc496d037ec98e2304f5b8c2425f6da27f5b7be3b3d0ce0dd8c43098ad41
  15. 0x1ab38dbbab3f77cce8d03cd3f8736ca62b04c689538a6118189885b5d1be29e3
  16. 0xcde4d0d0f64b40921f36a3f07dfe9c7256f1d0a8925aed414788c614314b871e
  17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON