← The evidence ledger
Evidence row 1781552
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:16033
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a5724183e9b03d6eb951b2cc26f28d79bea0528a390e144d227ac1346f121100
- Leaf
- 0x1a840ead9e561c6934de15f33eb0b5f2179f0a80bf96636693375af9b8d4c5a6
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/qGreuQ"
],
[
"a2a",
"https://centralcity.ai/a2a/622ec621-2283-4ee9-882a-8bcab52c1fc9/.well-known/agent-card.json"
]
],
"name": "Hosan",
"owner_address": "0xa4676c987719e36c2db5f46433971e3a16dcfbfb",
"raw": {
"agent_id": "16033",
"agent_uri": "https://centralcity.ai/a/qGreuQ",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hosan 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/qGreuQ",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hosan",
"registrations": [
{
"agentId": 16033,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/622ec621-2283-4ee9-882a-8bcab52c1fc9/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/qGreuQ",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793555494,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T17:59:11Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hosan 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/qGreuQ"
}What the leaf hashes
{"body":"a5724183e9b03d6eb951b2cc26f28d79bea0528a390e144d227ac1346f121100","id":1781552,"kind":"listing","method":"sync.erc8004/1","observed_us":1793555951326205,"prev":null,"subject":"erc8004:5042:16033","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0x1a840105ffc2942f4c49bb5d9c97a1306c6e490ed029c31e300d57b63e02b4bf
- 0x5cf1c922112bc90af20bfa72f6e127676d3ae10ab9054ee3cb4021648085fbaf
- 0xc545d17a4a706e60269701598cef106c5a3a6cc07319494ca0661c919843f30d
- 0x571ea4b7bffb5d9d4ba0514b48ce928f74bbf74f26c48cd91e159be391084b52
- 0xab11d5091e48678c4a3f09759adcffb0d537842784f26cef23c73fec614396c2
- 0x31a32e07b1a6f39a9c4723411a2302104e98bfd7e297c9ba3f0ad46ceb44c9be
- 0xeb8f97c3f1455a0c10413b5e4c0bd087a1aeddc4526edb7d3d1b841dc0cb7012
- 0x0a282572f5e923431dd61de471ef438cfa99d80055e9e43db7dd2558581fa246
- 0x2409a71008a3e112037f47318a9c645224ba0bd2e1b81850d8520617c5c8f0d5
- 0xba84a1a1b715015efa402a57fbaa75ab8649a6d9068dcd885c8772201a5b09f5
- 0xeb8c44a8d8d5ba6e8e5c6860d430cc93e9891b4321bc72c5cec29f3c96a934fd
- 0x57d88367ee180afa29761a07ed31b3a7c30cf755867eb29b4aa502db53e71e88
- 0xe932a6d750c9158a9531e23362139f67f1dcf32cd64229987581f24d7a22fe71
- 0xa4d26e861503b80bb91bc89e98fcc6daf0fcf003f5a144540ccd91637ccdc11f
- 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
- 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90