← The evidence ledger
Evidence row 2081995
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:72552
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ba81986c85b2b46d4c8859d75b1c772e30045638b1a71eb81ed94206b2e3c604
- Leaf
- 0x2da811c7d017e5aade22541320bd85f1b02125236929a938bbef9ba4f8616a26
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/r4Shbu"
],
[
"a2a",
"https://centralcity.ai/a2a/b696c021-5803-4e74-9ebf-b43dfe9a5a8c/.well-known/agent-card.json"
]
],
"name": "Barka",
"owner_address": "0xe038cf152e359d8c9b20a801d184b38957e7bef1",
"raw": {
"agent_id": "72552",
"agent_uri": "https://centralcity.ai/a/r4Shbu",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Barka 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/r4Shbu",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Barka",
"registrations": [
{
"agentId": 72552,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b696c021-5803-4e74-9ebf-b43dfe9a5a8c/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/r4Shbu",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793603705,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T07:16:41Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Barka 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/r4Shbu"
}What the leaf hashes
{"body":"ba81986c85b2b46d4c8859d75b1c772e30045638b1a71eb81ed94206b2e3c604","id":2081995,"kind":"listing","method":"sync.erc8004/1","observed_us":1793603801173469,"prev":null,"subject":"erc8004:5042:72552","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).
- 0x2da87af626217872d7cc909198c163217352a37ffc1c175c7c0ca0876edadccb
- 0xeb5c5b85c7c98bb2ec4d69a3058487c845a166b66391e421a196f1ed572e861c
- 0x320e26c670acf2aa28cc3f639778f3adaf5601d74f9785860aa0496b8af7afef
- 0x9edaed464bc91a89a15804536fa2b3002cfc7207dcdd0ee5105a10900a9c14b7
- 0x0ebb5ec4ba7de78feb10fbbdfd4762b6676eba17a9f6ab2b0d3abf86f0a6eb72
- 0xd9762820298a939e0c51dc60dd3bcdff7d736a6396c907310e88a8e2f0557f5e
- 0x334bce7a884fc67ab5bbc555c01ff0da06fdc087280642c750d9818751b4da8a
- 0x69995abf27f62c7151cf532b5b04862eb9338c232881b1d5c3f7d92f67315c26
- 0xc5fa3bd39b6f939ad2f07327b9e2f20fdd4cb88642ad0c5164de93ce1f6632b9
- 0xa91ee2c8873062997bf3829cf2d0948b6d4805e65a2e2257084a20696fd1bd25
- 0xf841c7290e13c2f19f6233e2749504226882012e0f94bbd35c3af3acb819872c
- 0x26d664b9a64503faf3758ae1668259d0b90ae74690be3dfcdbce789134ec2455
- 0xf1aa667ce80c3cfa851957b2154c374229551d079e3666ba4d1ea5e32bfbe79b
- 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
- 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
- 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af