Evidence row 2020745

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UZfu6U"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7d885c0e-e7cd-4c10-81ae-0d042a6c088b/.well-known/agent-card.json"
    ]
  ],
  "name": "Tiasa",
  "owner_address": "0x4b8599c47572421160c7406549f556258f5029a5",
  "raw": {
    "agent_id": "43234",
    "agent_uri": "https://centralcity.ai/a/UZfu6U",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tiasa 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/UZfu6U",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tiasa",
      "registrations": [
        {
          "agentId": 43234,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7d885c0e-e7cd-4c10-81ae-0d042a6c088b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UZfu6U",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793579687,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:35:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tiasa 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/UZfu6U"
}

What the leaf hashes

{"body":"39414a563904804eeac0029d926df920f9780a84e190892abcb71728a2f538c6","id":2020745,"kind":"listing","method":"sync.erc8004/1","observed_us":1793579744713442,"prev":null,"subject":"erc8004:5042:43234","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. 0x7c27a275384e8d1436f01dc65aae1e0260f402650a1b5a3c9a1f0ef6cbdaed9d
2. 0xb667ebf15a1364b3b6868d22e9572fd756e16f691b6555f71bc193c5f1d44c23
3. 0xb5b101175152b7912730f941c7e2ddb96ba40969fc37fb4115967106f3321292
4. 0xedf35c92a90f742500d6a136ecfc0791fc13ea94a537a93473ada5fdb3dd6e5c
5. 0xbd7e3bd6dc60d3de9fb641447b08fe69de9dea53510036aa87ce1455dfb057df
6. 0x8b4a473fdfbc029249744a3a002415acbf074042cda1e0ae93bc4c4c08f8bd22
7. 0x8e116e160bb31fe677346d5d26a51f7f82d2afda28a797ffb608ff8dea8d88bd
8. 0x32202394896be5d13179ea4c7c5cb2e34a86ca6ff5236708c5eb11fc97b00748
9. 0x3730b291dc8c344bf9c6a36917da8efc853aa7677bb322bb1bcbc25f0d2fd5ab
10. 0xe4916ef215352d0ae2dc6719737fa9aee2049a5bb83fdc5e020aee722848bb87
11. 0xba4835b6b8933e1938390e10fbaea2d501aed997dc7616319e16144711f9b5bf
12. 0x8d1e21bdb30d190f33f362fb3e038520281852ad2d6e49bf14075b805164fae9
13. 0x96da2b0c348fe4c196311a3c711ae28b065713c442f3976e291c0a6f22cb1f7e
14. 0x3e60cda43ffc319c006284ca48609bc80da357b45fb9e0a57810e00816d3e8e0
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af