Evidence row 2281907

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/T6kbxO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d65a3816-f232-476d-b155-64b5948bcce8/.well-known/agent-card.json"
    ]
  ],
  "name": "Sempero",
  "owner_address": "0x4f2e0fd1685d6861012f3e0e1713a8eb8abe47a2",
  "raw": {
    "agent_id": "133611",
    "agent_uri": "https://centralcity.ai/a/T6kbxO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sempero 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/T6kbxO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sempero",
      "registrations": [
        {
          "agentId": 133611,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d65a3816-f232-476d-b155-64b5948bcce8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/T6kbxO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793654361,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:22:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sempero 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/T6kbxO"
}

What the leaf hashes

{"body":"4dde87c041491c34530307c1b33a6e53a118efbbd86ff333c1372b87dce9dcf5","id":2281907,"kind":"listing","method":"sync.erc8004/1","observed_us":1793654576839451,"prev":2281030,"subject":"erc8004:5042:133611","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. 0x9bbaa508c0bc736497dccf6bd10352a7d5db1a0e6d0f7a47fad1c188bf45ab0c
2. 0xdfcf10c6a0b2c879fd82de337d26f6f58114d392c6d8e33a9975d3a951093f93
3. 0x319e1e183c8a5a48756f8496199c1cf10e1fcc14af1477649857c737e0f2083a
4. 0x5dbc25ab4cf3ff0ce1ea97913b80d9679f387e07a8341d6845ed8d23d55e6762
5. 0x019c5f4975a62a3caf3f772af845817d333caa71f7abc9c5e394fa378460d297
6. 0xe9bc8272023d45291e944bea6dddbede2fcc3316244305c8b07c007bfb4715bd
7. 0x5e023be7901acd5889799b155cd568a05cb0c228c6de89df58bc0676cf5352ec
8. 0x04b696e5ab69e08437d9f3cd893c2255189bf0ab301025cb9c7340c4a2cbb894
9. 0x0ff0762ac861a15ff7b06688466dc262bee852cac0134e195594cb9c27eef8b6
10. 0x1f7569f9f17e4aa85793854a571293dae46d214bb6b0ad9b1d46e582ff0a4619
11. 0xc0e148a99c3bbe159cd02084a261ebbfa8cfd82e2a74c8645fa33330ef61785c
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