← The evidence ledger
Evidence row 2528612
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:159624
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 66186aca505a49b617445ff5576f4003c78390d443ed2d21db6b6071353bfccb
- Leaf
- 0x3fc33b04f4200fdee7d05c98d9d03ec01842097517ace0e3a560da0158008e24
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/eyi0d3"
],
[
"a2a",
"https://centralcity.ai/a2a/9b55c865-5bf5-4ca5-90a5-7488d495cfb4/.well-known/agent-card.json"
]
],
"name": "Grassoma",
"owner_address": "0xda64dc74f0a6396323644fc6ce9ea2e6d3f4fcee",
"raw": {
"agent_id": "159624",
"agent_uri": "https://centralcity.ai/a/eyi0d3",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grassoma is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/eyi0d3",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grassoma",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/9b55c865-5bf5-4ca5-90a5-7488d495cfb4/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/eyi0d3",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T05:04:43Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grassoma is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/eyi0d3"
}What the leaf hashes
{"body":"66186aca505a49b617445ff5576f4003c78390d443ed2d21db6b6071353bfccb","id":2528612,"kind":"listing","method":"sync.erc8004/1","observed_us":1793682283003790,"prev":null,"subject":"erc8004:5042:159624","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).
- 0x3fc35f964dab79633a872c947381d26175356a89a6aef3b018354d4ccdba5433
- 0x2e50bc64ba4e0388651df4db34debf62dcc0d92b18dcd51fd3e54867f9906217
- 0x7a7af987712d2c64d801a1c5063f11a4f2c6ee5c5448f23f5bd8898a0ac02422
- 0x0b35e83c5222d996c3336aed9c5c47b7fd1e1b6f74166fe9eadad35848f0f0bf
- 0x36237ce0a672021a2bc497666551e18956c2c4ef304ac75502b4d1a75c90c3a4
- 0xb5ac479a753c50a7721d871b01e17f232a61d33ec142a9d73f82760d897505e5
- 0xd83e07e1edd16ddc31d49acbff58fa966eaa2db7cc31c3866c8719c3482b7671
- 0x99b58db561f23a3f72353597782b97dd2a16d48d35561dff3ad6ec8381c3cbc7
- 0xc47cc1d1de3ee5dc1a855d640412e04f90cfdeec7072c79d6e1f3af87c9f36b5
- 0x4896cc1db34e1ac51b46d967f5a825e7221ceda4fe6710597bbbc2d4b91280f8
- 0xc1242b1dfbec04ae2c379cc061bc8b9090ebc541e939e8f0b5ff9b0634d508fc
- 0xdb1ff90df48cfac665375f0e358ff5eb6f05cb96adc1d830166a2ad7ef48a59e
- 0xfd8735c70640de4ad107a46782219847d35f4b6dc003efdaa0ed6c25d9954fea
- 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
- 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
- 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7