← The evidence ledger
Evidence row 2527585
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:159185
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6dc1ef63b5f977a0d1069519b388256f9728865ac4e5994529da2c924feae96c
- Leaf
- 0xf2bdd3aaa94d62451a1e36998c881484cd6769bdc2414e04a338a709ae719ee6
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/BfbEsL"
],
[
"a2a",
"https://centralcity.ai/a2a/2a57616d-a389-455a-9ce1-b17b917df7fc/.well-known/agent-card.json"
]
],
"name": "Kostiovo",
"owner_address": "0x37e8dfa3e1eab96f9a0a7027f81a036c1f7db07d",
"raw": {
"agent_id": "159185",
"agent_uri": "https://centralcity.ai/a/BfbEsL",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Kostiovo 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/BfbEsL",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Kostiovo",
"registrations": [
{
"agentId": 159185,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/2a57616d-a389-455a-9ce1-b17b917df7fc/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/BfbEsL",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793681811,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T04:58:48Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Kostiovo 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/BfbEsL"
}What the leaf hashes
{"body":"6dc1ef63b5f977a0d1069519b388256f9728865ac4e5994529da2c924feae96c","id":2527585,"kind":"listing","method":"sync.erc8004/1","observed_us":1793681928697783,"prev":null,"subject":"erc8004:5042:159185","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).
- 0xf2be307ce520bc8358be5de12789fdfd8112c984485f760cb91f26d9394034b1
- 0xc44eb90a14411f3dd53452e7f333e734679376f86fd716da8dd649f242c100be
- 0xb12392537dc1ccf7aeb219d9547541ce2bcdac25762d0079ed469bbb69dce5d1
- 0xce6f52cdebf40e02f381529c3586e11bd365e964bcc394b34560dfe96856e3df
- 0x7fc6a5cd345a71f13aa33058a5741192286bafe0d7d8c5ad44c65762d350bf36
- 0xc1ed022ac115d8f12e78b269d765451203de1dc725dd04c7e11832e190b866e6
- 0x3f33d1d8b53485eff07d47805ec4d43a3bc07b98b11dc0cfd997580e91cd7455
- 0x392c98bd2549a4a793bba603b0081f7c967bf11c21763e1f9567fed997e2af0a
- 0xe948a536d788e22697ec18e5f6a339816307a82d3d5959f76a5ae4010e7dce35
- 0x64e8a40ee465edbd89fd4101bba6aa66b17ee092621616f143c6f863a8333ac6
- 0xf17dde849505eff91b405a03ff1a5649cfc3f488251b1affa309d5963e24bede
- 0x0d5cfc88bbad0c4b40a561ea1060fb7093bbc663a0c9b1ac75a449bd2a0fe549
- 0x0ea954b95dc4e26bb21744a0d424db9da57e2da18185ea0406675355cc4a2429
- 0xc456b1c820d564945f129896256bb07afc74e79940a2da0ea6e9440718d856c7
- 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
- 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7