← The evidence ledger
Evidence row 2187876
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:120219
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b7d255280cfebd043c6dc49d5e345ea7ec97bef446130734838614ae883a27c5
- Leaf
- 0xef65baf9909df40f04511038a5866b1479b50beddd0c9a3afec806dc52f825aa
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/rcRPEe"
],
[
"a2a",
"https://centralcity.ai/a2a/b568bdb6-e363-4e4d-a054-e7c7116c35dc/.well-known/agent-card.json"
]
],
"name": "Grezan",
"owner_address": "0x1ac56aab8908390a9ce8443ebb23628815dc4898",
"raw": {
"agent_id": "120219",
"agent_uri": "https://centralcity.ai/a/rcRPEe",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grezan 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/rcRPEe",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grezan",
"registrations": [
{
"agentId": 120219,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b568bdb6-e363-4e4d-a054-e7c7116c35dc/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/rcRPEe",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793643070,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T18:12:32Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grezan 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/rcRPEe"
}What the leaf hashes
{"body":"b7d255280cfebd043c6dc49d5e345ea7ec97bef446130734838614ae883a27c5","id":2187876,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643152470173,"prev":null,"subject":"erc8004:5042:120219","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).
- 0xef65472b009aa7f4cf73ec9ec12a33bee9c4e02a059c5e0bf8af8983246c534a
- 0x53789dea514838506b68de0b32438ef8cb69be614b07b8cc4a849a1da1e5e571
- 0xe9b2f8fc349518e82ec73d208e90706047a79584c9345e6b37428b1ca519d3c4
- 0x2938c591ab0ba45ebc561f7476f3e3a410ee84ba7059b48cd330389ae082bc52
- 0x6b6d42f5e7b89b03a817e982f8977e4a34e92346946049d9b82b790e3ac7e0fd
- 0x3b6d1fa7bc85b2be19ac9c44a757a8c8e5c78a798fbd8727b5d446ee25444a5f
- 0x532a1a4b2d6b3e23843143f248b46c096a23aaf70ddb0a44b2830e56f089a391
- 0x7df32d47b20912c93f7125909c124f79077a078692faa1419e2132ed83b7a264
- 0x383723e20a1ee6f6f0f33c7f00e5564a44b1895dd1e56ab0e51596ee63621d34
- 0xab03d04b586059ef41ac16ea17806b7fc52066e0cdd59d2db2e19895b68faa70
- 0x40ff1fdcd3023ebf3a2d65350c5559fb9898da453610ee6cd3fd3b146a2aa2c3
- 0x244e5498c1a18cb79272c8888907c216b04d0ef4381a107b2d329eb22383048b
- 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
- 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
- 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af