← The evidence ledger
Evidence row 2504392
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:150673
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6521ed96048f3016eeee5ce1cfb6cfa70590a96ad8ed1b6cff10533b81f4a41a
- Leaf
- 0x9023f234d696ab73f6df612a2d1fe750d3fb1b8664ef23f5034b555631577d24
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/UGFf2R"
],
[
"a2a",
"https://centralcity.ai/a2a/53439d9d-ddcc-42d9-8925-85d47daad413/.well-known/agent-card.json"
]
],
"name": "Fonseon",
"owner_address": "0x985b99ab3badb61e994d153661bb73cf6d9b7561",
"raw": {
"agent_id": "150673",
"agent_uri": "https://centralcity.ai/a/UGFf2R",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Fonseon 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/UGFf2R",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Fonseon",
"registrations": [
{
"agentId": 150673,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/53439d9d-ddcc-42d9-8925-85d47daad413/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/UGFf2R",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793672031,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T02:14:51Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Fonseon 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/UGFf2R"
}What the leaf hashes
{"body":"6521ed96048f3016eeee5ce1cfb6cfa70590a96ad8ed1b6cff10533b81f4a41a","id":2504392,"kind":"listing","method":"sync.erc8004/1","observed_us":1793672091019524,"prev":null,"subject":"erc8004:5042:150673","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).
- 0x90243b2253f13ef777b37624387da346aa5f108721bc2bb2b656779b8bb7edd9
- 0x9d022c12a5882fd2fad24c4cc6844f7f8130638f9ea7ca8806f0d0b45c2882df
- 0xadc07f8d4d7e6eb4ccf1782d8ba7289637b8cd3e90a4ffa78f88a420dc2db26b
- 0x96167b5b4720e47e15f1aab05559633c4bac86a71ea2db903ee5b115a09b5194
- 0x5c5ba3bcf9eda309395069e550fe750e9ce3b46e81f5b6e6bec309bd6cbdfa16
- 0x2d704d1a6f006aa4a32d6dc2783b04e64604351e64777db7cd35eea18007508b
- 0xe6d1fcb5776d5992b2a95c8449a42cb30ff850e38053c32d9177c30eb81d1cb1
- 0x2ddc852d1675e7659ab21149c9c28a6e30cda24fd3d8ac458ef81f8e8b965e8b
- 0x4ea6e9e7d40f5778c3b1940fac1be1b2036a0f0ef3d5ab6bf3825a69ebb4bc9d
- 0xef7c961beeae1e6796a257469d79524335668f5a7a38d1d40ac057f2bbb01330
- 0x6bef90c9cccf51c804848194e4a1d7fe81c204273358297f8ccaeea0bc6b6c01
- 0xd2f2ef99a4ba661f93293ad0148da1386a1afa9e25c573715321776309c2013c
- 0xeadabd164a90c836de96a615298d69f4b3f10399389106b0c27b6382229154af
- 0x7f1a60c8109f6f6bf295c743742bf48233a7f558ad73afd2115ffc0eb4e5400f
- 0xb5ab3a67e92dbd6d8eb3ea95dd8fba5b750735344b87d689cb50ea92ccaeea56
- 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7