← The evidence ledger
Evidence row 2573665
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:180378
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- be233cccb9080e2870d9f12cd6bf93cbe15cccc7feea09ac9be30ee1738af86c
- Leaf
- 0x7d7384af4a0bd491cdbc183c20180e13b2b5529904f2cb4765119756fe301e04
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/Vvz804"
],
[
"a2a",
"https://centralcity.ai/a2a/83043b44-cbb0-42d2-91e5-6517abb9480b/.well-known/agent-card.json"
]
],
"name": "Grampias",
"owner_address": "0xd78f3e02d9a76798004c554f03adc30165c677c4",
"raw": {
"agent_id": "180378",
"agent_uri": "https://centralcity.ai/a/Vvz804",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grampias 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/Vvz804",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grampias",
"registrations": [
{
"agentId": 180378,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/83043b44-cbb0-42d2-91e5-6517abb9480b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/Vvz804",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793706525,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T11:51:44Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grampias 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/Vvz804"
}What the leaf hashes
{"body":"be233cccb9080e2870d9f12cd6bf93cbe15cccc7feea09ac9be30ee1738af86c","id":2573665,"kind":"listing","method":"sync.erc8004/1","observed_us":1793706704627634,"prev":null,"subject":"erc8004:5042:180378","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).
- 0x7d73614e853024a15684ff8fea456704197adf8e71fb7598d66e1f442793e263
- 0x36b379e66afdd84d707f9ebccc17f732535b86e1e0bf9773b47ebaa17f7d1f13
- 0xcdd7f6d687b80d4516d520e42431b802d05100a94ba14f993bc86078d6ed9c24
- 0x336c18247c2615f8d6a1a878dd8ae3946a1597b2211d6a600f08e2fc7f35f84b
- 0xa4a8e575bf785373cba5df1912d0baaebf1d44e49f2d9a6e6086fa68d6a6fa3f
- 0x27b3a42631917b1bde40858017dcf1a7a546a414085374cd3573cc64e614b171
- 0xf8c9c29af33383f2899769d91281d87fcf3eeb642bfbe77a644d3f5eb228ff5c
- 0x4f4db4a5cf3e0b206de93360ef180769e35bd800f5dccd70a68431dec5db671e
- 0x5d67d0c6299b40c7e19279863be7051896ecdab638a88994790b43919d84c92a
- 0xeb69bc3b2d7393c5694e44cc9cfc45a5d09e53f4f6720387ffa32b139a6601bf
- 0xd055e9061708aa2cd20f8e18c6a0b6a6d51819a9c5cc9bba9dbff64792dcb551
- 0x86e6d97fb97dfacbd8a9da77c85096cbad23fb83ac3ae2a4d65c7a0b6b3f1ce1
- 0xb64de2d145ac698ef5d991de5140767a8317e68a92d3cf1c5d78e4f7977a0d21
- 0xcd70da55bc68640bf37c238eb2dcd35a729f3a58d333a753be62a2aef7873850
- 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
- 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
- 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
- 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7