← The evidence ledger
Evidence row 2575326
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:180970
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ef17979df01925a9e470b06686556667635f11d17985af20f3174575bf226155
- Leaf
- 0x30f0c1897ccdcbefe5a2fde559dfcdb5eb421621aebe737206c21426cdf2c971
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/1TIcyO"
],
[
"a2a",
"https://centralcity.ai/a2a/89ad8048-ed10-42a5-8046-ddf655979f7b/.well-known/agent-card.json"
]
],
"name": "Birkel",
"owner_address": "0x61e9e99264bac7c9df2c4498221158729b2e36e9",
"raw": {
"agent_id": "180970",
"agent_uri": "https://centralcity.ai/a/1TIcyO",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Birkel 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/1TIcyO",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Birkel",
"registrations": [
{
"agentId": 180970,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/89ad8048-ed10-42a5-8046-ddf655979f7b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/1TIcyO",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793707312,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T12:03:07Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Birkel 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/1TIcyO"
}What the leaf hashes
{"body":"ef17979df01925a9e470b06686556667635f11d17985af20f3174575bf226155","id":2575326,"kind":"listing","method":"sync.erc8004/1","observed_us":1793707387225935,"prev":null,"subject":"erc8004:5042:180970","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).
- 0x30f0af334e0751fbf040bd12fb5504fb23796886b00f8035559a0a0670dbf6c7
- 0xcb1079eaad50e0c7e5e17c73fdabe9dbedeb5e98c40b63b227fd243ad288739a
- 0xc7b2fd95a477aeef7391048b68dd4b55257cbe87af31205cc58b5db02de5c4a9
- 0x27387f10c5fc81db2d42ed5c0f1ca7436d586bc7418ef9217b4e45e429f802c4
- 0x057517f78e526d3029a63fd0a96b1253f50271f6696b82bdd0e16ac511d860db
- 0x151c5cff21f401a860499fcfde054fcee62345f5e53462593735de597899316c
- 0x7f7c921332f7894fb410cd488a3ef9d38d378db32637a19f0dc651af4eaef2c3
- 0xec5932bae5305267fe48ff44cb61eb711365a12f5411ee3e3c781e3e73d69b40
- 0xe08431f280ab104f0c18dd03180c0dcbf4fd125226521bcaee1e7108110b5ca8
- 0x7ea21c2932576eb4f7220abf00cae15c57b2ba101538139dd2f1342e6ac30e90
- 0x7bc4add827d2fae2a025d6371f526c7310a02640d9338082418a3b32ea6d115e
- 0xae2f2873a88ca5db58107135725dc5d5c62ade72fddbb335579948add9e9e7f4
- 0x2f64dbba88ce60f5cad9ef597b99adbf687838c05ce885ed581fa95aaf9b1a3f
- 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
- 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
- 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7