Evidence row 2517313

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/l2gUlh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/86920d78-afa9-471b-80bb-44623d02c4fb/.well-known/agent-card.json"
    ]
  ],
  "name": "Massis",
  "owner_address": "0x2d03a7939432c401f0a2142312e1bbcb5f9f211c",
  "raw": {
    "agent_id": "155614",
    "agent_uri": "https://centralcity.ai/a/l2gUlh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Massis 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/l2gUlh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Massis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/86920d78-afa9-471b-80bb-44623d02c4fb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/l2gUlh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:45:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Massis 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/l2gUlh"
}

What the leaf hashes

{"body":"bb0cb47704d77151fdbc070ed396ec20c21b4b0bd975ed3108d5797c504e7363","id":2517313,"kind":"listing","method":"sync.erc8004/1","observed_us":1793677506433920,"prev":null,"subject":"erc8004:5042:155614","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x901eac5cca87d60e9aaf1b18098774997f07181350bc8bb48c823f15edb43d1f
2. 0x5acf49a77ce445a1cac8f86c9b85d4d3de4a17a6af2b09b857beb0cdb09938fb
3. 0x2de054e0508cbc1b4401d43f0c111f3b08a2cfefbc271f0a794fdea529c7bb67
4. 0xfdcf5d3b7d6ae2d75edc8363c0fd3cfea9266af53a52c8c89aed10e5fd2c6dd7
5. 0xe1a0366ad79b1dbade70468d8d590a5830d7311d924486532ac53d93cc456993
6. 0x53801a51ced311ee56edfe527149f06ed703d05076c7650775a2e8cdcdfc853e
7. 0xe65d79b0a3e67b5eb5277c23629a4f5d76ec17a09e839c997de8802c8b32b7c1
8. 0x2beece9f76a2be5e11e5571e2da193699902499a1eda85632c0d0ffba05fe970
9. 0x37996e4ef2351458536390e40b144c1c06c2d79ebbed97f3f34afc93d92413bc
10. 0xf81f6e149f9a79cf74ea7a424ded3a66bbf9b553ef75d801ec72c55280d75282
11. 0x6bef90c9cccf51c804848194e4a1d7fe81c204273358297f8ccaeea0bc6b6c01
12. 0xd2f2ef99a4ba661f93293ad0148da1386a1afa9e25c573715321776309c2013c
13. 0xeadabd164a90c836de96a615298d69f4b3f10399389106b0c27b6382229154af
14. 0x7f1a60c8109f6f6bf295c743742bf48233a7f558ad73afd2115ffc0eb4e5400f
15. 0xb5ab3a67e92dbd6d8eb3ea95dd8fba5b750735344b87d689cb50ea92ccaeea56
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7