Evidence row 1848636

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NQotGc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aad75a86-d4b1-4423-8066-b1837185be07/.well-known/agent-card.json"
    ]
  ],
  "name": "Fonteon50",
  "owner_address": "0xfd0a39b2709bc1a7922f72d1fa0bbb7d3d9135a7",
  "raw": {
    "agent_id": "39860",
    "agent_uri": "https://centralcity.ai/a/NQotGc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fonteon50 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/NQotGc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fonteon50",
      "registrations": [
        {
          "agentId": 39860,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aad75a86-d4b1-4423-8066-b1837185be07/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NQotGc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793577127,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:54:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fonteon50 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/NQotGc"
}

What the leaf hashes

{"body":"0be27752036b0d4010212a35888163c130761e1a184bea5a9570c5aa5dc90cd1","id":1848636,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577299523946,"prev":null,"subject":"erc8004:5042:39860","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x3f2c57a6dac624b3839b52f4259a975430051e7d866abd8a5c7e65962cd118b4
2. 0x590960ebad002f7173b8e9049215b7a2cc459ba0c8f04161de22ecb3a6a3f5da
3. 0xb1dc01ff4ad704483d287291b275b678597a5c02d6433be8350fa078ced6cf31
4. 0x4fe24bbd7fee95cd4018798e2f51572384672cb3dc3c2d39de319daf042a6dda
5. 0xdbc6c52c522315404137ddee12350a600082c6d2904a503c8e9324536c6eda87
6. 0x5be17dc9ae6cdb61e6b7da6b83faf1d099d3e6cae65efe1a5e42dbbda4eb4e30
7. 0xff56c78c1140f0fd3fa24de195b14b727a10b472a673588c19033eece66745a2
8. 0xc508eae37ee988c1706a2099a84cdaa9c2e28e4905c0d5a6b3b782e29d5915c1
9. 0xd08b92dc3bfdf8fb2a56c0239b67b24eeb0a89d7f24431adaf0c30f594fbcef0
10. 0x321ed624e9bfcaa1fa51deefcb6bb5af58f1a45a4ccd915990615a0e787662f5
11. 0xdf583880f365c80675a4ff66cb06c43e568f965246b55b6f0530dda5a3b221da
12. 0x91a4b12cedbc63d317eda5df4ecfab1c5037817632886e1e87dfd460fac32769
13. 0x7e36f1798c3a2f578449379de5c371a2ff47d094031d82679619a09cb98f8d31
14. 0xafcf38f796fa072123f5d525a88fd2fb85646ecc6e7e9a763c13179738711c9e
15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90