← The evidence ledger
Evidence row 2508567
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:152057
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a26dbbbd7ebe09f1644c3b7b1a68c278fe36130d3d9176db9b8472d3467ecdb5
- Leaf
- 0x8a4667e65502a5524a4ee2d108b07a0991aa132614676944234352c81748c005
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/BOg8ZY"
],
[
"a2a",
"https://centralcity.ai/a2a/a75aacd8-d95e-4386-87b2-8a61dccd002f/.well-known/agent-card.json"
]
],
"name": "Trefo",
"owner_address": "0xfb0c3ede3d019c217c2d1bc01949165179f08145",
"raw": {
"agent_id": "152057",
"agent_uri": "https://centralcity.ai/a/BOg8ZY",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Trefo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/BOg8ZY",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Trefo",
"registrations": [
{
"agentId": 152057,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/a75aacd8-d95e-4386-87b2-8a61dccd002f/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/BOg8ZY",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793673557,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T02:42:56Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Trefo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/BOg8ZY"
}What the leaf hashes
{"body":"a26dbbbd7ebe09f1644c3b7b1a68c278fe36130d3d9176db9b8472d3467ecdb5","id":2508567,"kind":"listing","method":"sync.erc8004/1","observed_us":1793673776633484,"prev":null,"subject":"erc8004:5042:152057","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).
- 0x8a4687ec959750adff8f2351fd28f13766fb51d436f194b943582616a6041f41
- 0x5d9eec9666835e085cfa88c485f29138a434cd57c6ac35b7d9db117d7bdd3b7f
- 0x28765d93abcfba81a39d72fc51b9fcc365aedd5556b930ae72913a57dd29afac
- 0x3be8ba6315e7eaae655c0c9ea74b7f9afbadf78433077669d780d8f5501154c7
- 0x6996b3cdcd94c40ea1be2f50243b3d57fec124a8fef05f40a5d96c6ccfaf7a5c
- 0x681c7aedabb6e8e5537452ad423226b464fb5249f088f7edd371f00daf52cf84
- 0x46f7ec5089c8c0e2c044217416848f31a7f5eb128026f3b121713dd9cc4a7104
- 0x29fa17397308aab4fa382a99c6e06078ff60ce4349aba3c92e036bf10f8540a9
- 0x5f8b6b0e4b733dbbf6cd6716ddc3c8f7acdebd2fd53ba5159361a41eb9232617
- 0x6ca4928913236f3a81da3dee16d9b4403ea66222a89b9c274f47672008594fe7
- 0x92da03693cac417815f76d4115a1fff02d5e0bf44f450c7bd1ed502ee0d3bdc2
- 0xf51a26bc27b69ba268652dfc9623473716c51630ea730bf88ffb81a1575326e6
- 0x05ef25f19a0f0e984b1511fd0bd89a082ccf01e7fe1dba1de7f08e7bab019d31
- 0xaff11aa970c81dfc542d7f358866d8f7815e0e193eb66f9d52b94183bf812c8d
- 0xb5ab3a67e92dbd6d8eb3ea95dd8fba5b750735344b87d689cb50ea92ccaeea56
- 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7