← The evidence ledger
Evidence row 1818298
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:21561
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3929196342bbd128180a63da374dfe870db9a8d44ab4fb81af1e2b6d8685b174
- Leaf
- 0x303c65c171dfca30cdf8c972ddfc0d389bf5e4481c58f5152d81175fcfb19aed
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/pgcBDU"
],
[
"a2a",
"https://centralcity.ai/a2a/8513cb5f-3810-47f5-83fb-f87f526f5820/.well-known/agent-card.json"
]
],
"name": "Possias",
"owner_address": "0x40aec363a830921afa3c25865471ef0c43ededab",
"raw": {
"agent_id": "21561",
"agent_uri": "https://centralcity.ai/a/pgcBDU",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Possias 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/pgcBDU",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Possias",
"registrations": [
{
"agentId": 21561,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/8513cb5f-3810-47f5-83fb-f87f526f5820/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/pgcBDU",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793562437,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T19:49:42Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Possias 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/pgcBDU"
}What the leaf hashes
{"body":"3929196342bbd128180a63da374dfe870db9a8d44ab4fb81af1e2b6d8685b174","id":1818298,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562582100717,"prev":null,"subject":"erc8004:5042:21561","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).
- 0x303c9140222b014d8229fb81381a892d3852dd733ee82d546c28bea20275e38a
- 0x3d2541e7c127fdcfba3f6b833b4202523926ba6b2f48f4d18f022d6e8380ef5d
- 0xd6c7ea5cda575b1d79519c6bd31993de26ded2f3e8972b07dba6eb524942bc27
- 0x4738f5a17cf95bdfc8c1ad36d42e6e25709e75ffb6f99786a1a652c9444b8afa
- 0xb9b3f83dba06dcd5f6a57393f6b50a40ccb8a2bddb659efaedeec761004b0c7d
- 0xe9fb4e06f06b32d25c58bcde4f131b17a5e22ae6c6d580686d7d3ddfdf75d358
- 0x99c686990b6e4fe301814b0b0a040018d016f5a50b1200b991c3c3863eb206f7
- 0x50d65ca40dc07d5d0d07fb3cea98740a5503522f055106606c2593e1f13e0aca
- 0xf18655bbfeff82f07a2271afea637a3cc7f5d85abe878715f900a2377cbb0be3
- 0xc9ac595725cc01b20516b1e8dcda171879f5ebe2300eedb69c6ea02c344c72f8
- 0x5e55b5225643ef5568f95c481fb5878746f2b55911abfb0dac17cd586ce9a59b
- 0xd926a6f4439f955816eb332eb7f9515d07f60810bf60ef34b3a3d684316d3356
- 0x0112f1cf16780e57f3e96886bf4fa05aa46598025dc9396eb1cbe8b1dcdffd9f
- 0x894f627e9eac1731ca26b2b4b6529eb16ab1b15294210edac68c8378063e2d8d
- 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
- 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90