← The evidence ledger
Evidence row 2188785
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:120730
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d1ec4635c7324967eb2eaf764a08c163c7424a147aa905bcccb94fd68b5fb459
- Leaf
- 0x99dd644e1b19ff68c607c42c91fb01fc11aedee455bf8aab33d610e97e858f0f
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/gBpbxx"
],
[
"a2a",
"https://centralcity.ai/a2a/ec7955d5-095a-4293-b9ac-c2c3389fdd3c/.well-known/agent-card.json"
]
],
"name": "Gravan",
"owner_address": "0x5c8d2dd1e13c5c47c19d52de2deb083f817d5ac4",
"raw": {
"agent_id": "120730",
"agent_uri": "https://centralcity.ai/a/gBpbxx",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Gravan 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/gBpbxx",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Gravan",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/ec7955d5-095a-4293-b9ac-c2c3389fdd3c/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/gBpbxx",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T18:18:33Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Gravan 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/gBpbxx"
}What the leaf hashes
{"body":"d1ec4635c7324967eb2eaf764a08c163c7424a147aa905bcccb94fd68b5fb459","id":2188785,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643513724726,"prev":null,"subject":"erc8004:5042:120730","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x99dd2897b3fa37aecfc36889fcbcf718ff960e2019fff4da5f8b876e6cb5e274
- 0x3e92c8fc15aa1efa54af8ff05cac050c724eca33bed41ebe46f3764fbac05541
- 0xb0a3e7ffc6f04677d2965a76e32e47ee0e22074f9162a4476a67576af0f520ae
- 0xe3b5ce335c4f8ab4dd5f14c6ef6329c01fe5941ca926cc09b4d24a31e93c29c8
- 0xb675e6738bc564bee5b4f9b17b65eb85a3d6c9d024f6beea6dc02a48baf79310
- 0x60c6fa7ecbd59d37ee1e6763e39a1e08036de02c347f23e0663a5a39d0cc7eb4
- 0x3e3dae2ecf9f9244bc764a78893375560180fd8b39c90c02377ee5f1eaade956
- 0x5e9e65495150361f9b10a7cfe31a78f17063c038205987888004a56f8d30e28c
- 0x7be1d44e56a24a98c6ccf065e93c59c87e83e0675998944d1ab4db2bb2bd2c95
- 0x8de655c6db1bfbf63777ff32ed682b3799b680a6d56b1b995f6214cfc4a8a74c
- 0x0ebf0dee7659490a53403f6e33e892e7c2a61d5bc168fcf38722f35956bec54a
- 0x60bd288cf68fd865db71df4065677ad3339531f9f1add40d462deb18cd7b0a7f
- 0x96eeba0e0bb8dfa0ca66d907340b43514f88c7ff36bd9a1299bad5cc5219d2d0
- 0xc5de092f33d9a5a2d3076d47423feb11b0630cdc080163babf6390bb04568ce5
- 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
- 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af