← The evidence ledger
Evidence row 2984535
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:238655
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1e836de221a85fcfc839aac90335f6bd4ea6b498394cb32759435beb1cb7e492
- Leaf
- 0x613c5bb8235af8ddd57c7625c3501a231f1b806cbb0e2e16fb6d214231f6b810
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/IYkToW"
],
[
"a2a",
"https://centralcity.ai/a2a/f0b91f1a-f9db-4816-9c44-8154621383d2/.well-known/agent-card.json"
]
],
"name": "Hiosan",
"owner_address": "0x51cb0d681beb2d39a810c5e95857344050ce619b",
"raw": {
"agent_id": "238655",
"agent_uri": "https://centralcity.ai/a/IYkToW",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hiosan 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/IYkToW",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hiosan",
"registrations": [
{
"agentId": 238655,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/f0b91f1a-f9db-4816-9c44-8154621383d2/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/IYkToW",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793784471,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T09:28:39Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hiosan 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/IYkToW"
}What the leaf hashes
{"body":"1e836de221a85fcfc839aac90335f6bd4ea6b498394cb32759435beb1cb7e492","id":2984535,"kind":"listing","method":"sync.erc8004/1","observed_us":1793784519576945,"prev":null,"subject":"erc8004:5042:238655","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).
- 0x613ccf900175e05b01a6a2ce87bd8e8abca5fb1498159d67cae6860098cec2dd
- 0x0be42aebe1c58060505019db55f94d95d564101b350611c494ebf4954f39e068
- 0xda4e7b5f011d5ffbda05a5c3703eedb8ddc5cfaa47c5a96e6a84cd542f550d33
- 0x6c6886586d7c324db6eb7fd7a8f91e8bc214626946872a1113512bda68a256d9
- 0x0d52aef07a17156bd307ec8a3a293213c05fb935359fa9885b52e0e37bf44aa0
- 0xb6147ca559bac5b706a50946511f5b5e3ff3d01258402c64396b7a2633e0c6fd
- 0xbc8832dbcce2438d21529480f930abc2dd30f000ca84f1fa2e07b8b7105cb8ac
- 0x286d19f577f74aaf7816d739b5935c1f4d80049f6fd3ff7164d7205d3fe16cd0
- 0x913d9412e701bc165565de79a74d00171924f485a2efea4de5edb54795585a8b
- 0xe224d4219ac21f8ed48f8edd8744531890d9e04a3cec715215ed2be3ef149f20
- 0x04579d53776b950f3cdeef5c1121defdc491b7ac5114bc09b33c785c0679226d
- 0xed16332def1f4a73193a3818f88f36897a433c9a3eb0300df59a4d04527fe185
- 0xbb5dca07106fdb0c308e2d8004cd4d6c885cc3e15a96807f75bd29d6d805aa23
- 0x4c6a239112152a196e534957ed4fc38d90b1a49e17c6ec6aeb24e15cf6f3a341
- 0xef57a5030e9f74924772ed82f2ec9d81269d0f11488e66c967d5fe90d002634f
- 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345