Evidence row 2157203

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Fl66ty"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f3e7d157-2700-4eca-8123-c504f534e13e/.well-known/agent-card.json"
    ]
  ],
  "name": "Sevjo",
  "owner_address": "0x5348654c450c178a421dbf7525f373601b0e9ed0",
  "raw": {
    "agent_id": "104341",
    "agent_uri": "https://centralcity.ai/a/Fl66ty",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sevjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Fl66ty",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sevjo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f3e7d157-2700-4eca-8123-c504f534e13e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Fl66ty",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:39:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sevjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Fl66ty"
}

What the leaf hashes

{"body":"f829d05ad7879d3b6bfca444aee4d2b5b8649806640e567af9ff98261843126d","id":2157203,"kind":"listing","method":"sync.erc8004/1","observed_us":1793630356498404,"prev":null,"subject":"erc8004:5042:104341","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. 0x7cb66012ef8cba589ee201a96aa4a8f9506c27ca6ecf5f3198084cd7b5b3cb63
2. 0x6f68b51a5659d8ffb9f07162e099e2ff2aae62211bfee697c4adecc3e6744732
3. 0x4a17069f3f5abbeb47db5a40c61b799285034d32e2abd9be1700108f029ae2c9
4. 0xfb889dec840016882e7cdee05c3ab2a0dc0498f8ccc553aa08951ba0179787c8
5. 0xf67be5ab03b8876fd6f583cbe47c72d886158a0b8d67e8f640f2d64b9564854d
6. 0x958797bc9e5188633bb19f5f57349483f8b5e7a87c9c7c32eb359b80a8aa5e24
7. 0xe76c9e81b5f7b639a54abde08bc050d7f62aedf77a001df01ed455de49db21b6
8. 0x29be7a1d228339d1d943c99f3307b9054caa6d58d2e8bf1b7ee69a3fd4d65b58
9. 0x4d5e299105bb920ee8acce3f0571169434e4b15ebc5397489ede29ffb3c9d2af
10. 0xee45cec710e4626abe0d6a93a4092955f5f6453fe29302abfa521be087869822
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