← The evidence ledger
Evidence row 2718975
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:207380
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8d34bb60778a164a26e0cd10af91ab615097dee05632fb18bcb5bc139c961e47
- Leaf
- 0xbcaf3fa24b59bfc40c3bff9dd679d6073fcf77ce3ac9eddb2761d79167738d35
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/hygmuY"
],
[
"a2a",
"https://centralcity.ai/a2a/288cf7fb-e87e-4fea-bb10-72622c5fd66a/.well-known/agent-card.json"
]
],
"name": "Nissus",
"owner_address": "0x0c5c6637297251c10c279a019584742cd915d229",
"raw": {
"agent_id": "207380",
"agent_uri": "https://centralcity.ai/a/hygmuY",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nissus 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/hygmuY",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nissus",
"registrations": [
{
"agentId": 207380,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/288cf7fb-e87e-4fea-bb10-72622c5fd66a/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/hygmuY",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793743171,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T22:01:11Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nissus 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/hygmuY"
}What the leaf hashes
{"body":"8d34bb60778a164a26e0cd10af91ab615097dee05632fb18bcb5bc139c961e47","id":2718975,"kind":"listing","method":"sync.erc8004/1","observed_us":1793743271730479,"prev":null,"subject":"erc8004:5042:207380","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).
- 0xbcaf3eb75db9360ee0337107e8386d4b759da52ce45ba7309a74a2ef1b6ae487
- 0x1b5a9b7adb6a1f906b3027d812173424b7eb248cf9c37ae21ebd935f6249b8dd
- 0xa5e25bf70d2747c0e944bcbe6fdd2b77e84cff53a516181ea8c01ad7a32dfcb3
- 0xaae15609c1165f6d8849274eeb44f76609f186687cf8d2670dfa72532f320901
- 0xfa16250e902279dbb9fee5fd9fa7027b6f0a5b0e9c6a8b6a3245299014a1e4dc
- 0x92cd7514413c92dfe4e4e8725f70f5827e0e33b990ab53d5928ecf7e14b88a73
- 0x4e90e14d884e34e9b4010d94df7954788a5d28b364ae24b42ddb7a5065d51b2b
- 0x132153a9f210225b181b9163c5baffc17900306a5d8cfe2a29a8e5985b752551
- 0x6f1e142ef661e8d2030ee5a726e4ac4416471d4d48a7d156eda4126152a06455
- 0x68007dd3f2e4c586b805f12ec32d1dbd210ab8219d5104a181f7d45b6f71be84
- 0xa34ab53e0e0cf05e33df3af60414296935ccafd1f60b30e1686fed58ea0f8604
- 0x63a5991c187a9530e2177a341da1cf5333e53e4df48dc340dc718a9a7d54a2d3
- 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
- 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
- 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
- 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
- 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7