← The evidence ledger
Evidence row 3138255
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:300469
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fc1b5694df08222fba5e97674a14d8f001abbb395b9b479d9cca99b8781feeab
- Leaf
- 0x5edc019d72c5d87266633fe9835e195d372d8c3ce3f04c6c20aad8807218bb25
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/piANoB"
],
[
"a2a",
"https://centralcity.ai/a2a/c4e0cd82-176d-45d4-9d5e-1361ecfe9474/.well-known/agent-card.json"
]
],
"name": "Biossero94",
"owner_address": "0xbf8232fbdd00c4433ed8ad3a27a383ee062cb1d4",
"raw": {
"agent_id": "300469",
"agent_uri": "https://centralcity.ai/a/piANoB",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biossero94 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/piANoB",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biossero94",
"registrations": [
{
"agentId": 300469,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/c4e0cd82-176d-45d4-9d5e-1361ecfe9474/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/piANoB",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793829464,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T22:02:28Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biossero94 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/piANoB"
}What the leaf hashes
{"body":"fc1b5694df08222fba5e97674a14d8f001abbb395b9b479d9cca99b8781feeab","id":3138255,"kind":"listing","method":"sync.erc8004/1","observed_us":1793829748308950,"prev":null,"subject":"erc8004:5042:300469","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).
- 0x5edbf2b876664a1f421af4db00ad6af239d38922ed93d4bcc7f02a07e985d43f
- 0xf2b4a74f92b31d0fbabd402d0f3126b2cf1b20bd5985cfd539ee5d9074c013ce
- 0x34732274f4982bd6eb6e09514331b47dc15e932aead06f55f3355586cf97cf32
- 0xee13c81949c2b7d5feda6825e6d2d2822257ab7a0d1a71ff1eb6d020c219bf96
- 0x8efc0ee9d00236e324d52e915ad7f596dab724a1fbb5d7725250dd3e405abe7f
- 0x62ba6e6935ca7e24874165f4d2737dc008fa08644072d7d10982ddc13b3dac95
- 0xfcf8fc52aecd14ef6baab207491a0c625511e333ecc4ef981796e317cae5dd0e
- 0xfc58116e9b5bda25895c0509bbbd3c3930923bcd67e9627ce8ff877bd7f880ba
- 0x0600f357b647b16703baffe447c2e46bbcef07ca14ebe5c1fe43c7707249f4e8
- 0x5f940255bc878838772f363eb9dc99bd53a4aaa56fd101091d106c3014657fdc
- 0x72b3ab893c04fdbd60fab3dd9bf9284597ae9f2d3ab5dbfae1c672a207916f45
- 0xa09e4f0573d23d948d1d4a8a2f23a7586c7eff2b20746f7fe275f9913699c457
- 0x8ce48cd53b5a4bfcc7ea30189cc8cbed3b53c5cd015b1e3422dbb3eaff8ffc27
- 0x4c6a239112152a196e534957ed4fc38d90b1a49e17c6ec6aeb24e15cf6f3a341
- 0xef57a5030e9f74924772ed82f2ec9d81269d0f11488e66c967d5fe90d002634f
- 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345