← The evidence ledger
Evidence row 3455751
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:353303
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 99432733933bf090c7dd11b8fdbaecebe5dedc7e1a4fb11b0a366963c6b5ba81
- Leaf
- 0xb236ad251461b306a5aa1d57c302770a5d69f3b130931c0466414d4d44743576
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/qXFAb9"
],
[
"a2a",
"https://centralcity.ai/a2a/fac636e0-9535-4917-94b2-4ff015811919/.well-known/agent-card.json"
]
],
"name": "Hossias",
"owner_address": "0x353cf5ca0c194ad6cb168e6e6649a660d405cd25",
"raw": {
"agent_id": "353303",
"agent_uri": "https://centralcity.ai/a/qXFAb9",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Hossias 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/qXFAb9",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Hossias",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/fac636e0-9535-4917-94b2-4ff015811919/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/qXFAb9",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T20:49:06Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Hossias 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/qXFAb9"
}What the leaf hashes
{"body":"99432733933bf090c7dd11b8fdbaecebe5dedc7e1a4fb11b0a366963c6b5ba81","id":3455751,"kind":"listing","method":"sync.erc8004/1","observed_us":1793911746474182,"prev":null,"subject":"erc8004:5042:353303","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0xb236ac7e9f149371afe8787908a6589dbd33795092f18282cc407a9a2b8ca5aa
- 0xafb2630af69a64e460a595a67df8083201046b0ab79d6702ae0277376d9635e6
- 0x4fd9f011db1bea43c0920de13f9e0cf1966c3057ce77017279096a0aee51d44f
- 0x7876bc08b717bc545137752464c9be211bebcba745dab38f6d0be4af0534b9d7
- 0xb597763a15bf7f53e03444e4ac9b0450b651a831ebd8296323b181d731aed255
- 0xae6b4f0b2517dc0105c56dcf62e19a3d1a85f74e8890ae38bcff41d5da4f9a7d
- 0xa5d5c39600e4758cbd4a3d5a8dec39be2a06d9044cae84642c2ee342366081e3
- 0x0a3900b0515b51fb18a0f6ebea252d518a652aec105b176dc9ce0b674ef54a25
- 0x54e9f31b3ede9f54a4ff30b1bd2f885c87d05fa68d2136fc657362e5a05f087f
- 0xb34a207e55fb19b05b121b5d964573af414282bc9f6111e0de9346391d17785c
- 0x56263e4423fb6c7d0351aa40a8c26549e959c8292c5b7684fa13ef522e0a1d47
- 0x7894cfe4ae76627d023cdbd24de2bd9bfe3d08ed77ffdb4d08f21a7bd5022cd8
- 0x4297ded3b7ae7a5e7c6aaf868e1595cb5dfd5bc570ca8e58312e1c93b27e2840
- 0xe9b3feeda7ba0471328dce63fe578d2b6d168331915c3460a3110e4549c6245c
- 0xfb7fd5d9f2dad2a875d0018c34534e495fa88fbef40533c4ec84080e09b402b0
- 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
- 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
- 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94