← The evidence ledger
Evidence row 2934720
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:220921
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- dd23c82732ee0b4ed8f30e3174b5ed0b48872b474a4600f2f52108dddacbeca3
- Leaf
- 0xda0f3c2b2184d3f9e1340f5866021fe447adf85f0d0b0d3316abbe2b27b6c990
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/9Y1WMn"
],
[
"a2a",
"https://centralcity.ai/a2a/52542d57-2d0e-4d83-b77b-44dfc2c1a024/.well-known/agent-card.json"
]
],
"name": "Nossasson",
"owner_address": "0x579673197e18c143757b83a748ef20e32f397825",
"raw": {
"agent_id": "220921",
"agent_uri": "https://centralcity.ai/a/9Y1WMn",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Nossasson 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/9Y1WMn",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Nossasson",
"registrations": [
{
"agentId": 220921,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/52542d57-2d0e-4d83-b77b-44dfc2c1a024/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/9Y1WMn",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793760556,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T02:51:28Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Nossasson 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/9Y1WMn"
}What the leaf hashes
{"body":"dd23c82732ee0b4ed8f30e3174b5ed0b48872b474a4600f2f52108dddacbeca3","id":2934720,"kind":"listing","method":"sync.erc8004/1","observed_us":1793760688090357,"prev":null,"subject":"erc8004:5042:220921","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).
- 0xda0fcdb06c7dcb02ae58c8aefd3f8d214548659b743ddc5a6f416409652998b0
- 0x7322ec3b01619e1de56c146ef5969f87d60a1ef7ae7f53fd61b1ce10abfe1640
- 0x3fbe1a0c35a910d5ee2760490be143330a225b92bb446419c12f64d69f49b0d2
- 0xc6ca22b35bc9037de7bce1007e72ed99aa95d03d0dd7e2f8990270dba2c6acc3
- 0x19cf7f8648f4ea9b1ec377fdba47eebc4fb2dfd11e7d6f37e32499be50bfff2e
- 0xe77c44567a077b7227856ca7d643b63d66f8232a48d4bf900e7b9e5d09b09118
- 0xd31886babe136638564857c56fb9c55701a5167a293cd249295e0f60cb2984ac
- 0x95dc8531dad046c083f02eb5ffce9e9c4b9a7fda3aafb6dd923b1f19b23e7307
- 0x438215e78aca0ba6fceb18fadc30f8eb18027a71da261cd6ea4248ded7ff9376
- 0x19e99ce8fa30d8d8b26d82caf4188faf860515538e90f381789987e21e475b32
- 0x2685a8fe87621d78e9e8d93d3c06003cf652765575553c6be80e87c64791b6e3
- 0xeb91be7d69ea3ddd6ae07a057fad56e53679f2763c0064ddda182bbc2991803a
- 0x05b2d8a9a5c883bd6f8b6462a425d77adaf40c8ef9f7ef13cc317e6fb06e29a4
- 0x3ed8b20a601d9b79b48f875323d8f3d5060181c3e824770cba4145f51f7170e9
- 0x4720135dc0f8960ddf4e33d6d1c6326cf5957dbfcb5082125bda6c5dbe57f8db
- 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
- 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345