Evidence row 2194743

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wSYk3x"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bb45a0e2-9c19-4467-a1be-28f5d3ab6329/.well-known/agent-card.json"
    ]
  ],
  "name": "Brossa",
  "owner_address": "0x6e774d5d1a98be89ef035e5191d4594d557ea62b",
  "raw": {
    "agent_id": "123271",
    "agent_uri": "https://centralcity.ai/a/wSYk3x",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brossa 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/wSYk3x",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brossa",
      "registrations": [
        {
          "agentId": 123271,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bb45a0e2-9c19-4467-a1be-28f5d3ab6329/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wSYk3x",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793645271,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:49:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brossa 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/wSYk3x"
}

What the leaf hashes

{"body":"5deab3f25a77a8398586aaa1bfc7c540cf57ec604c3ee08cce926983381ba65e","id":2194743,"kind":"listing","method":"sync.erc8004/1","observed_us":1793645344840617,"prev":null,"subject":"erc8004:5042:123271","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. 0xee71389f70e4610071a0ef50a5002a50a78120b868c4869305b63ccb1a52a758
2. 0x1b0999a169a6bb02ba83abed2f9fc2eb11ae291933019433bc2a5718118c456e
3. 0x9e506c1a5cb734d917a19a380c73a487889838a7b327ad94930d706844338b54
4. 0xef99a1a720a720ffb6ccdd646538988e8ebd472d32742156cb962c79aacd38b1
5. 0x2b7a88cb084463fa809878d2586f09f378a27b33c89cc63a2b89bc70968e7c3b
6. 0x76d3fff1338e5fd9763490d61deb91982f6fe2e24848f579bd865025d3db714b
7. 0x25c88f566933102499ed161af48a8e34ee37138a03ac6bd660bf71f777dfb057
8. 0xc37d62a92a3e19ba35591ca59cd334030f56d34129aa103a8fdb05dc2f150222
9. 0x85a9064ee46f6bb0a0fb491dfd425564275f12fee9c7cd23463890737800ca82
10. 0x289d10558b458eda3cc9917551191f15d289cb49c8cb0be546d2d23d012e6782
11. 0x151bd83170434ccd04f82906ef73350feadc28309b6f1874e3bc7fe465fe848f
12. 0x244e5498c1a18cb79272c8888907c216b04d0ef4381a107b2d329eb22383048b
13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af