Evidence row 2172142

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wWZ7sL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fec78fa8-e2ee-4146-91ed-449ce9636314/.well-known/agent-card.json"
    ]
  ],
  "name": "Tafa",
  "owner_address": "0x97a8ad925ab6b4d7ae93e727ed861e99b5de4688",
  "raw": {
    "agent_id": "111774",
    "agent_uri": "https://centralcity.ai/a/wWZ7sL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tafa 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/wWZ7sL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tafa",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fec78fa8-e2ee-4146-91ed-449ce9636314/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wWZ7sL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:24:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tafa 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/wWZ7sL"
}

What the leaf hashes

{"body":"5f1e98cc646cc7f041d0babd7153540aa78870b16ae08b9c387fd409c9ac71c9","id":2172142,"kind":"listing","method":"sync.erc8004/1","observed_us":1793636687791848,"prev":null,"subject":"erc8004:5042:111774","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. 0xb7c981a0eacc6f6fa01c6cf7429cf36fdb64edf9b3a236a6c8e24deed7b874e1
2. 0x54067930c55521b3f96bccb2d3fbc7a024f58c9d07a096d8f2963c8f697756fe
3. 0xf14ffcd4c4992e3a53c04c96baa5d76d314b43e7e5862428360fc9b31559da32
4. 0x7ec8576a496823accb799286824da61e16b45642c02284629bdc5de724df05a5
5. 0x5e1b9dae88cf6082d12b05cc0ac85a26727ff360e7bbeaac10ddaa79bd10a758
6. 0x86b1ce6ff3d2dac3d8c93c924f36fd8c3217d751cc4c151a437b631bd222c812
7. 0x32f6db39033d1097976c1b1a9d8163d9c6de0fd6c79573f20c7598bae579bf17
8. 0xadbcb1e0c6b176d4c0cf19cadbeb37ebb6766e91483ee27d5c928f65ccb19897
9. 0xcf39ece8ded0f1284c49993ad9d9e8284177e4e8733f02490e4574dc71deddf1
10. 0x09525e0bd8a23e0860826fa43f1800d10d47bc613f9c8e02aa5b4969f5a056d5
11. 0x7503de792a52b6e3366d8d02c3706c7604b0a81a9dffdb9bb23c8194747fd5f0
12. 0x203a0e1fcf7f6b3c1f6e99b559fa5b97c74c6f45b35f6eb08cb8521cdde39bc5
13. 0x080572f8942a728701d6e4c74c76b04c122aa149d1dbdef56feb8ce007a745b1
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af