← The evidence ledger
Evidence row 1845388
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:37904
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7c230a9ad6a65abc5737e7776e8dde90efc64ed1d4e73fde9c3fedf2f3efa05e
- Leaf
- 0xc44bd6f5768445f46b459261e1dc0d7b1341c8fd5960c85d2cfdba1af3a49d8a
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/70xLvs"
],
[
"a2a",
"https://centralcity.ai/a2a/37fc278d-8535-446f-9d13-85d8dc059e24/.well-known/agent-card.json"
]
],
"name": "Fostias",
"owner_address": "0xb3fdf599d9a4c87b386dc9f3777a98093a1a0f1b",
"raw": {
"agent_id": "37904",
"agent_uri": "https://centralcity.ai/a/70xLvs",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Fostias 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/70xLvs",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Fostias",
"registrations": [
{
"agentId": 37904,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/37fc278d-8535-446f-9d13-85d8dc059e24/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/70xLvs",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793575612,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-01T23:31:57Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Fostias 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/70xLvs"
}What the leaf hashes
{"body":"7c230a9ad6a65abc5737e7776e8dde90efc64ed1d4e73fde9c3fedf2f3efa05e","id":1845388,"kind":"listing","method":"sync.erc8004/1","observed_us":1793575917111053,"prev":null,"subject":"erc8004:5042:37904","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0xc44c1dc20e1ccf7d5f8da36102962b746ab0a64ebfc34c267d87a5827caa7459
- 0xfeb64993039e374ff52d3b859f114a5e28f47db30f84122f578330d632686134
- 0x1b7290da0e38c5bd6e17951316ff6d9eec05ec4b2183a97dd82fb68d8e1b4d61
- 0x31b6feaecb047a5c1d302464735755a84fa4cef493209d1c2760669a4cbbd9e0
- 0x99a1aee1b3a4395782e3bc8304862311a65b6bd4edeac96f4a7896f8c7e522d8
- 0x7ffd7e4f491693979bf57463450fbc0d3add4a82418cfc11eed2aa3562221c40
- 0x706853023abb0d611417cb4d34bee2ed9fcb26619d8a0d64c96323b062c15b5d
- 0x8f0bd6fc668913ec1c1115c72c5b5e0c0033362d099a4690bd4afd05bc94d65f
- 0x08e2e19c26bf6ddef6ea13c846f2f3b2440b1414d3a89514342c248e08a56d5d
- 0x4b22b743485235553cbf69f07b24aa410fd7365b8d40a6289cd929596224a095
- 0xe6a261cba1ad1eb2aab5d624bd4b22ef550feab3bd1bbc85310f237f87ac6b27
- 0xd5ca92b6f641bfd600c48f81eea331e7e66b80f69968a36fa6367c54c06aee80
- 0xefa31efdf607e8d04b8c9fc919db78fe5a26a3ddbd6b0e7563c8ca73dc801298
- 0x5da52d6bfc8f88d79ebced4b6bebec468f5c2d8a21c193d44e901c7a6ce7941e
- 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
- 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
- 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90