← The evidence ledger
Evidence row 3455160
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:353121
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1064f9b70e6ae995255810b5d3f8596fda54f0c50d21092d660ee0a8b2ce89a9
- Leaf
- 0x280188548e6d7ced0b85bd0695546c92866e19f9d20c2eecaadd7fc4b1f8af03
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/YyNgEP"
],
[
"a2a",
"https://centralcity.ai/a2a/417a8481-0e81-40c9-abfb-6348017229b8/.well-known/agent-card.json"
]
],
"name": "Ponsano",
"owner_address": "0x39f6b9cfd0158387e3bee54389496961cc68da83",
"raw": {
"agent_id": "353121",
"agent_uri": "https://centralcity.ai/a/YyNgEP",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Ponsano 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/YyNgEP",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Ponsano",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/417a8481-0e81-40c9-abfb-6348017229b8/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/YyNgEP",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T20:43:38Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Ponsano 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/YyNgEP"
}What the leaf hashes
{"body":"1064f9b70e6ae995255810b5d3f8596fda54f0c50d21092d660ee0a8b2ce89a9","id":3455160,"kind":"listing","method":"sync.erc8004/1","observed_us":1793911418859040,"prev":null,"subject":"erc8004:5042:353121","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).
- 0x2801864ea602698838a79f8c1f1177c10e80f6939232ee4325f124c2ad94d5cf
- 0xa1f8317d10aaae2657b3c57d18c48ea7c51c0b9ec468858ba841516f279a39fb
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- 0xb36879ae712b1a1fa52cfefd086188560fd5ff3653e07d9d021710c5489760c9
- 0x99f8279167f4f30b5eaebfca921b54d913fea8a2173eccc1ec5b8f79201603e3
- 0x0e937c21fb6ef3dfcd688f7cd1ff426ec60fc4a2f7ed3e6aa49ce82eeb682c8e
- 0x32900c18a1388532853da92a204fe3630ea02fbe0057280c6ffabf9efb365ac8
- 0x6df381c2cff6b8321867f1fa56aafeb56c4950208ce2d1503e5d3f56a76d0aeb
- 0x62df1dcfebac7ca48dce77374f5e851b6816cc611a3b25ff0e4d8112a0a17afb
- 0xab8d5ba522fb0cf8976b7e62008d7578da8232131328096968ae877a40abe975
- 0x35f5afa19239be6665748daaaab3b57eb2f906a6b98adb3d9cc84680242a0aa4
- 0x02109cf45188a512fc127d79cd8ca3044cae2253fd9640a06383c6db296bf68e
- 0xdab1015fa0b0821901bc847233eeaab127a98ede1ddcdea4ded43fe758a93318
- 0x67e76a5b4517f0cd6d3381baab96eb627df4394492e64e7c2890e01538ee4d79
- 0x213998878db6a423b0c367a68aba39293f9287b39bf1a80904fa9c6975bba987
- 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
- 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
- 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
- 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94