addrbookFor publishers
← The evidence ledger

Evidence row 2603610

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:190760
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
6abe843b72535020c76989beeda43f8f88e627ecd4e038cb06ce856e6341cab1
Leaf
0x3e0b2dce88fa807aad14bed59f0a1428a5b6e562060c3ff819fe61f8ca705bda

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XtMVxV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/43fb85c1-e9d8-4404-acde-8cb50b68ccfd/.well-known/agent-card.json"
    ]
  ],
  "name": "Stifan",
  "owner_address": "0xde2ebdeaea269898e22b625b946090954b83981d",
  "raw": {
    "agent_id": "190760",
    "agent_uri": "https://centralcity.ai/a/XtMVxV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stifan 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/XtMVxV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stifan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/43fb85c1-e9d8-4404-acde-8cb50b68ccfd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XtMVxV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:20:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stifan 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/XtMVxV"
}

What the leaf hashes

{"body":"6abe843b72535020c76989beeda43f8f88e627ecd4e038cb06ce856e6341cab1","id":2603610,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719259351033,"prev":null,"subject":"erc8004:5042:190760","subject_kind":"source_record"}

Proof

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

  1. 0x3e0b2e4e7c92fce35c6521fcb68395d19159329732c5cdf5d08533cef70c8d69
  2. 0xf111eda48dc1a54ebbd68b8c982bbc0373334231cf45219746ee20a9c55f42e5
  3. 0xf2f6b0573dce2bd05d801fea2bb41ea605f7c5a684268c60ecb08a1ed23a7cdd
  4. 0x8b85929f19b494e203f486d88e4772b3cec608d23a90c3257a34e040a03c1d75
  5. 0x21c8bd45ea965b759505775c8933de683627502573faea5a2b51619d89dc6115
  6. 0x67d9a82960ec5b3e80df6d8c54d85ca2cb8fe10c64521d60857ab78bc548aca9
  7. 0x34017a7fb0aa2a426f1a3a71aa6133c038211549e7e1c25ee4192f8b4416a80a
  8. 0x0bbdd7348227f421134097220159c2efadd3815f523b5056a257cf07b03b27c9
  9. 0x76052f09a7ce0819a2dd5d1b577573622e1297773f86bfd4abbde5a6ec9457bc
  10. 0xc424ecbcf7ab4c3a354f7bec2511661e04857818b0c7eaf95e3c24039b8510de
  11. 0x3637a9665fb4044188f80dbd0a4dc68a2cba5acc2c43c9f7cf689fe5b410f838
  12. 0xd7f28e7cbf00c0f591820e050e04aa17abaf5d510ce6da77374489a26056334c
  13. 0xfd8735c70640de4ad107a46782219847d35f4b6dc003efdaa0ed6c25d9954fea
  14. 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
  15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
  16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON