← The evidence ledger
Evidence row 2569580
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:178290
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- e4b5500871082553a0474fbc1e1678bea0a35e5c135e13c8cfefb3e21845b9b8
- Leaf
- 0x4b5389b8f5942fb78b1ea273ba9d5d51677732ef9b157504b3b62a62b2e6c89e
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/HkMD4f"
],
[
"a2a",
"https://centralcity.ai/a2a/66284b9f-681b-4c38-9d49-690dd92b7c95/.well-known/agent-card.json"
]
],
"name": "Pifa",
"owner_address": "0xb2b71a2a8b9c51bec3e8199c06cb923fa350d09f",
"raw": {
"agent_id": "178290",
"agent_uri": "https://centralcity.ai/a/HkMD4f",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Pifa 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/HkMD4f",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Pifa",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/66284b9f-681b-4c38-9d49-690dd92b7c95/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/HkMD4f",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T11:06:56Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Pifa 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/HkMD4f"
}What the leaf hashes
{"body":"e4b5500871082553a0474fbc1e1678bea0a35e5c135e13c8cfefb3e21845b9b8","id":2569580,"kind":"listing","method":"sync.erc8004/1","observed_us":1793704016327922,"prev":null,"subject":"erc8004:5042:178290","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x4b53a913cbca297178261d2b1a08524a498cb8f83a49db5130fa59ba32364dce
- 0x88fb531ce723d4b0327438e154644669283de09459260e70ea99f3332f08c4b3
- 0x69cbc3e8897497b25e8f2b8933f08893fc36ffa7fcbbd656782282643229635a
- 0x1f7ae7483cf6fb3a3341a1d6df00a566548d2ff9e73575da5d700796b2f4beea
- 0x4e0e192a78a13d2b015da3e5709d309925c637b0718995afb995303211ed8176
- 0x9147318d6d56dbbee788b85151bee2df4550eb74c967a1c30a6ac64e0661ff75
- 0x7b40f368b714f97f19abc440311d627b748c63ce173fa331b02d169c35365215
- 0x61833d2044b148152cc835a1d160cd490dea4e4c43c6b7e054025f8a35198ee5
- 0xdefdf4ebd24b59a50035f389385d0e135efd362f5037cf304f0373dc51526e8d
- 0x93cdccc659c31753a843463a0b75a332ed24eea2664f09200105c824f92a6d7b
- 0xe639bce78b0a2f17f49660809213f3502901731ed5f9d2819153c797c78c8094
- 0x906208dd0f61cb76c5ab46f992d0d280c98f599746784e36966fc3d12ec06bd8
- 0x25e7c6e3ae958d725091b9780092a534731cdfe4819dd1ffe52af56311601eb8
- 0x5e9968227987a7f0940fee03a33017f5e7157de7f0889921817733c1ab8871d1
- 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
- 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7