← The evidence ledger
Evidence row 2708491
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:202554
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9e3e110b0dc8ec76c608bf9c91f9be6167e80e900236e107076c0f1e1d5f41aa
- Leaf
- 0x803122f948d752f42d7e39544d8f578c0063b97990e4ade41c7562414b7b9936
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/YAp9Ur"
],
[
"a2a",
"https://centralcity.ai/a2a/4b19c1ac-d4a0-48c2-9cb0-04712721cf3b/.well-known/agent-card.json"
]
],
"name": "Grempus4",
"owner_address": "0x4a7a59af967d7693d8badc7e6bf6e660e7cbbf24",
"raw": {
"agent_id": "202554",
"agent_uri": "https://centralcity.ai/a/YAp9Ur",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grempus4 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/YAp9Ur",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grempus4",
"registrations": [
{
"agentId": 202554,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/4b19c1ac-d4a0-48c2-9cb0-04712721cf3b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/YAp9Ur",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793736832,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T20:14:30Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grempus4 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/YAp9Ur"
}What the leaf hashes
{"body":"9e3e110b0dc8ec76c608bf9c91f9be6167e80e900236e107076c0f1e1d5f41aa","id":2708491,"kind":"listing","method":"sync.erc8004/1","observed_us":1793736870302891,"prev":null,"subject":"erc8004:5042:202554","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).
- 0x8031702f9a8bc52402b30d07e6b98caea438b9f8ce37fbec36639f0d5bc6c356
- 0xb72db96c4366be6de4669ea9ca45893a925c83c918a9cbf0403308fe540c6840
- 0x6f813a822e53333b981581792dd4a71419551a79be886c53ed766e4a81309b7e
- 0x233da74608f69006cdd254f1ec66c1e051d977d55a552551302e6cda654773b8
- 0x48cc8ddcf19a7af34f684bc1940757c73c71d8f7f4fa2e54d94bc0362dc2d994
- 0x337cca9e51dafdefa9adb467da865782df68d964b5187a7f6de9978084edafb6
- 0xeb29c2d0001767d16dbedfd2f95e942f130597683e8a0ef8d4af416a2a0fd7fb
- 0xee674c28a369c7f1f7c12f458440f7d9d236d445983a8aa98cf9bf11ee53a1bf
- 0x33fa1269bfd43b4da6fffbb5ef78e4b96e1141c0d7bd69c403803a43a3d7ebbd
- 0xa53e64ce6754c3c87c93626f524078a708e369ac36bbb8ce690765444f64acca
- 0x6be7157ed023bdf64754bdfb42079fa30009ab65c72545e41edce8ff9e3ca569
- 0xbca293acf7dffd8daab33cc26b6700429c9a010cc6faf037a0965cba77f1dbfa
- 0xaf97729427bcb69cea84940a4617a9276209a9bb29e6047d69c9fa290978dcad
- 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
- 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7