← The evidence ledger
Evidence row 3033590
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:264926
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 78a6c9471b3043e8fb5aeaa715706f83429ca0c33a744efdd55c0660d08cd9b0
- Leaf
- 0x22bcab836ae6665f42f95b196909f9ca2fbc6edb2dcd50e4b7c9611f56172a38
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/WMd9Ux"
],
[
"a2a",
"https://centralcity.ai/a2a/8e20c46b-8bee-4cca-a0cf-e30d6816b5f1/.well-known/agent-card.json"
]
],
"name": "Breinsan",
"owner_address": "0x2b687a9e787373d17ce08f5c56b89c0e7cff4364",
"raw": {
"agent_id": "264926",
"agent_uri": "https://centralcity.ai/a/WMd9Ux",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Breinsan 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/WMd9Ux",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Breinsan",
"registrations": [
{
"agentId": 264926,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/8e20c46b-8bee-4cca-a0cf-e30d6816b5f1/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/WMd9Ux",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793810618,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T16:45:29Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Breinsan 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/WMd9Ux"
}What the leaf hashes
{"body":"78a6c9471b3043e8fb5aeaa715706f83429ca0c33a744efdd55c0660d08cd9b0","id":3033590,"kind":"listing","method":"sync.erc8004/1","observed_us":1793810729644115,"prev":null,"subject":"erc8004:5042:264926","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0x22bca124813d9080afe1d3f2c878687ee8f07c42a71079efaa87e22604852980
- 0xc724d226b12f450d22efd46b9f43f29c2e86da4d627864a4b679a2c934426017
- 0x61ecdea5ce0e40a16a34d195324947525a31571191f6cd18f24d2fdb36a30ac0
- 0x40e451bb8e62f8e89a95344fc41916f73369af106dae6ac77d37cd6b356d4862
- 0x30cb342795bb9e31c73ef23c722c0df9c3743c28d2e93116304a833ab35675d8
- 0x2cd330d4dd84ba4409a0a19cc53e7a52c2148a636fdb55168d08dd274fb1a75b
- 0xad00b781a1ac2ec8241b22c8ff801f1efe32d222d5162df55e2b82f63986e565
- 0x49dd30174a7bb20d7b2ee203edd83d6e7d3d27e997c6ac98e6779066b1f92264
- 0x079afe3dbd2bcffdf4acfbe17e91884379e4a5d41b67f348ed59caf908d14087
- 0x8e47b6388fbf932137daaba4d68aa30da4b4c024799ae31ddbbb71fe41c0865c
- 0x937cbade729b756e92a76f3b358d884f9e473ad0476f559b2372d25c0da4fd04
- 0xb40083f385af2bd859dec1533fe65111e9465752930dbbc64d6f70fee08c9315
- 0x12c229bab672223f7ecd08e40792eda3e4c45c819ea4d5ccc57467a24cdf3d81
- 0xd5576f8b7b71ad8f963970f922fc9f5477ebb72a69425e5f0eceef6203a7981b
- 0x4abf06392be817fed1d4142854589c0ecb4a0254010bceee86244cf6d2d411f3
- 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
- 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
- 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345