← The evidence ledger
Evidence row 3130983
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:294894
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 388681a8fe59435de5fc7861fbab9eb9a34af3bd2a7c50b7eee828f591615e17
- Leaf
- 0xe349096b557eb76d431e8ac4dedb87921619872ccaa7e98addacb9ef2c0a24e4
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/2Q7egi"
],
[
"a2a",
"https://centralcity.ai/a2a/33b55019-1b8d-41a9-8ed1-5ed444b435aa/.well-known/agent-card.json"
]
],
"name": "Sampisto",
"owner_address": "0x3ac6a1d5c67fb012c091d9e29da112b3a0c78f8f",
"raw": {
"agent_id": "294894",
"agent_uri": "https://centralcity.ai/a/2Q7egi",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Sampisto 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/2Q7egi",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Sampisto",
"registrations": [
{
"agentId": 294894,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/33b55019-1b8d-41a9-8ed1-5ed444b435aa/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/2Q7egi",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793826912,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-04T21:17:33Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Sampisto 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/2Q7egi"
}What the leaf hashes
{"body":"388681a8fe59435de5fc7861fbab9eb9a34af3bd2a7c50b7eee828f591615e17","id":3130983,"kind":"listing","method":"sync.erc8004/1","observed_us":1793827053506674,"prev":null,"subject":"erc8004:5042:294894","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).
- 0xe349003d532addd7119d695fc961cf374b5144ff1001fce8f5de0264b1a8a78f
- 0x06ac6625ae40ad03361fdaafa6dff1b338791dda510d8d00c195c59e3034e5c9
- 0xcd2c794a7eca6056ac53267ecbca071cca21ca719c54d06da59befdc4bcd83a1
- 0xbad067247eddaa6cbd741eea90c37f49c540364b363ec0326e01296daf8d483c
- 0x673bf256cb1f54e3a9f07d3251cbc4364c77562fe4a302e29384a2f4c6a129e6
- 0x86c7281bbc74a41df216c57fbf4d1483e14de5e61772a648c38abf3e0e52143d
- 0xdc622d20453f4855de54f5bf30b84517371de21012871e71f620d3e6d37fcc8a
- 0xe305a3f36b59dac201ae3ab513c211ee13cc48ddaf462051b3c6f581101f8bf4
- 0xb4685cabdc8161ee653c221cc5607e746fee10f8d1042b1a3e69147de750cadb
- 0x5de4cc2afaa9e97c183ecefde709aa6d3f553854eb0f15e657b4f3cda8eb906b
- 0x9690257b897ff7905a3fb1c38b969a09d300eccd0c07f283ce8b10903978ce73
- 0x7886271fdadd9095157373025c0d92b154e96d8701911f1e817749f6bd147836
- 0x1be32cfc4a94d533b6715445b00522e11316492d9e54e446cd74e7aaf61b3b9d
- 0xc76edf7c58295981a8b2d7f51e60517f029cdf9eeea7cb9427318525c1879cf8
- 0x4720135dc0f8960ddf4e33d6d1c6326cf5957dbfcb5082125bda6c5dbe57f8db
- 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
- 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
- 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
- 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345