Evidence row 2119273

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cUFJhW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3a651bbd-ff9c-4347-92ad-c5043d25ae61/.well-known/agent-card.json"
    ]
  ],
  "name": "Biossis",
  "owner_address": "0x743f2573b7bf3ceb7f300e487bf9d49479338d88",
  "raw": {
    "agent_id": "88284",
    "agent_uri": "https://centralcity.ai/a/cUFJhW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biossis 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/cUFJhW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biossis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3a651bbd-ff9c-4347-92ad-c5043d25ae61/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cUFJhW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:20:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biossis 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/cUFJhW"
}

What the leaf hashes

{"body":"2c2eb76da343271d6df3156c4cbe879f3f8961833fb2ed483f322a96e9096b7d","id":2119273,"kind":"listing","method":"sync.erc8004/1","observed_us":1793618443565004,"prev":null,"subject":"erc8004:5042:88284","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. 0xd7ff5c3a86f3370fcd0af0ccdf8a4989f639358b6371f9a665f97f9ec383fc90
2. 0x9920953fb0034cd2888f4f8926e03d10bb10ab611d1691ad6932551478575b6b
3. 0x3377dab820205b9bde1445f3194fff5be8f12f778c6a218b188a1959e4ff2bb7
4. 0x86d8097c2d64ef0117fc99c3069a6654a371b8ac6889c741a57519954f72ce35
5. 0x72ef1cdef36a3e03fb0daedc820af7e82ef0980ae7a127dccc320544441597f4
6. 0x71a912ff44335437806e72f0f6ee8857dd5ebaf49024a73f9b1f62bac1f9037a
7. 0xf8ad26e0ebc8d89c5f6bc63b3f95b3d644451ab48ec35309d1388232878759de
8. 0x965d2c44c63326e6f329cac5a6f8380bb4fcd1f19dc9eca5d983b9eef2a51da2
9. 0x9e9143ee286c494354253dd213ea28180cbb541aec1f8cf711d0fe15128e765a
10. 0xb3e973397a7b94ffe640681acd0388b1192c8a7ffbb586a9bd38f629a9d6b61d
11. 0xf279488f675d7a716f1e8d544d099d1896e4ae50ffcd0ece313c67d22ce85a3a
12. 0x0dc21179b244e152a4d9195843aad224b97981b54d9cf0f3d6e5df650ecb513b
13. 0x0a0b06366ac223b57a065057db885c66f1a3225264321b3732529557f57cf2a7
14. 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af