Evidence row 2090755

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/daWsz8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bc01af6b-1ed6-4abd-93f7-1c44f8dbc9fc/.well-known/agent-card.json"
    ]
  ],
  "name": "Madus",
  "owner_address": "0x0d29ba6dbf05fe77f060e79f7f347628d30cbc03",
  "raw": {
    "agent_id": "76756",
    "agent_uri": "https://centralcity.ai/a/daWsz8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Madus 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/daWsz8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Madus",
      "registrations": [
        {
          "agentId": 76756,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bc01af6b-1ed6-4abd-93f7-1c44f8dbc9fc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/daWsz8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793607215,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:14:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Madus 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/daWsz8"
}

What the leaf hashes

{"body":"d0c248196246c3a011951301537b063c11bc290058ae987626c6f0ec7a91f5d5","id":2090755,"kind":"listing","method":"sync.erc8004/1","observed_us":1793607267602620,"prev":null,"subject":"erc8004:5042:76756","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x9c75b5157273b81b4068a6a80d88571a2308d92cb9c042265b2451ec4804e63f
2. 0x0655c9ed0e03ec474ea54d0775e1f96c525df58b0c92d2eb61c124a30cb3aa04
3. 0x925a3e4aa1cb1d878dd0f40019d5d9cb026110226a39a300277630609f07aa01
4. 0x7027d206608bb34673dae173d536cf68abdb2d6f17878a63653c7193893dcc2d
5. 0x234b221735c21eee0fea9c4b459fdae99fb33c5cc8b003b0c55c3b555c99db72
6. 0xd7ab8387c9200606fcddaed418e72a4a4f0fc053bddce9efbc4fd6f4ab05db22
7. 0xa46a816f7c852cb994ceb23944f41ab7f33c288936f255e65854a93c40805fd2
8. 0x7877e4efc3c458f784b06139dbfe5f0a05065329e4495a44823fcccad1d2aa0a
9. 0xc23aeda65a883e7daddc52e1558bc8accf2f443b4bf3e0cda4047fa8502fdbc8
10. 0xf6de7c7778f1320afbccec7b558c9bfabb2b28604c980a405ad7c47bada89ac8
11. 0x10cbdac0b6100e8ec14858ec371897bb7e7755b1c4220899283c56fdde099776
12. 0x44c6729e9895b3e93c9c4ab87dbe86c6aa44f0b1130e815e00f315920a4c640e
13. 0x13372d9573063408d81df51991faad9353f3d2ff284b3f6343d434448850fec0
14. 0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af