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Evidence row 2061653

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:62891
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
562fbf9cb98531f7ffc099340c27797f5f486265cf1b1ab27001d501e10c2356
Leaf
0x9797ff8deaba12707c4fe9986911f4f6aebd3903bdc7d75791eacacddda28361

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ao61S6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e33a568f-1d96-419b-9726-70a553944235/.well-known/agent-card.json"
    ]
  ],
  "name": "Brefer",
  "owner_address": "0x2eb74536905421df29cbfa7b9913d1e362befa58",
  "raw": {
    "agent_id": "62891",
    "agent_uri": "https://centralcity.ai/a/ao61S6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brefer 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/ao61S6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brefer",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e33a568f-1d96-419b-9726-70a553944235/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ao61S6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T05:02:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brefer 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/ao61S6"
}

What the leaf hashes

{"body":"562fbf9cb98531f7ffc099340c27797f5f486265cf1b1ab27001d501e10c2356","id":2061653,"kind":"listing","method":"sync.erc8004/1","observed_us":1793595764314375,"prev":null,"subject":"erc8004:5042:62891","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x97981717f84e61dc9628d1b2d737e698518208a27cdb1dbc00518ab26a43b4cb
  2. 0x81ad794f8a73a3ff8b2fe955130e4daa9147a30b165d07a0facdb8d3e5dcd30c
  3. 0xd57fb7224466c1f5cdc701490aff2f97800c97ca267bc16481014236fb87f58f
  4. 0x2ad58792b03af61fd8ca8a396b77028441c0174a235ec5ccb23cbaceb29c4bd5
  5. 0x043dc37aff5a1346e5185ff385b311338a89fd30f603befbedfe2bdbef1daf4a
  6. 0x72b223929603da09f74501d2b03864653bb956b9b77110890757028741d6339e
  7. 0xc0de11d8d57284a5ba66779edae6be0e526dcfffdc2ba30491eb41d689559483
  8. 0x71e822e2a6d7d4784b512f37dee5c1c9ac63676e482c5169340886751eda3521
  9. 0x065a6a84adaee78a42d5b2ca5fd0d526ed66be41288a99bb183f91f08dac64c4
  10. 0xea7325c2b7eafe81a84fcd10a3312383cfad4cfb4cf9a638866e4ce768f6375b
  11. 0x962146faef816638fd3d22248461b5a38069af335a4949c571e21c2f49655125
  12. 0xb4746c9c6a01a5463121fb30690562293e068b5358ab464ea070f4414595db5f
  13. 0x161ab8dfe29d5443837514b3760b34879b8201d43912571c314e4142639b07a3
  14. 0xc5de092f33d9a5a2d3076d47423feb11b0630cdc080163babf6390bb04568ce5
  15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
  16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON