← The evidence ledger
Evidence row 3158559
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:312904
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7d59140890421be21d39070afa8b202bcaaa9bce96f68355f35d6353b221721c
- Leaf
- 0xd1acaee541e2d44e99584f7b0b3709e07c7e672a2d31312d35430e21d7bfaa99
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/yb88kk"
],
[
"a2a",
"https://centralcity.ai/a2a/b77d7287-c0bb-4f55-8bcc-c7c91ba23d70/.well-known/agent-card.json"
]
],
"name": "Biossose",
"owner_address": "0xb5f66005f531cf05d12b3053e208970f3e8f177d",
"raw": {
"agent_id": "312904",
"agent_uri": "https://centralcity.ai/a/yb88kk",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biossose 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/yb88kk",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biossose",
"registrations": [
{
"agentId": 312904,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/b77d7287-c0bb-4f55-8bcc-c7c91ba23d70/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/yb88kk",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793838418,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-05T00:28:11Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biossose 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/yb88kk"
}What the leaf hashes
{"body":"7d59140890421be21d39070afa8b202bcaaa9bce96f68355f35d6353b221721c","id":3158559,"kind":"listing","method":"sync.erc8004/1","observed_us":1793838491663065,"prev":null,"subject":"erc8004:5042:312904","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).
- 0xd1acd24a9446e0ba3a79d9416462808cd232feb1e0344f31a9300565da1b2b92
- 0x9e35f0408874ef1de1a479cbd1b52bec497f8a5663c88271a54c2e6c96d4c75f
- 0xa996de4a011f65661007e594b4ae6c267b1838dc47c80c2818d7932cd7157c77
- 0xa3d0033c54a847e0d00e1ef99a0bc48601b4f07cb0cf387383e7b6165b1332f1
- 0x7de8ab2edf35d9eae8c05be76fd79de49d8fad2054a786b8f24fc67ba4cd1ab2
- 0x0604119caa9f2dc5800f86895a9920d4fe8313c985358ae19e46203bc8d9d5c8
- 0x8c2307418a5365887d5a053a8c6f20c4a7d2a41929ee5265dfda250236067879
- 0x5721892ad5e973211402eeda6cadc6bfa879548ccb47b5f2c46bb583060ff9ae
- 0xa002c3e559ed3fd47272c189562faf5dfdb81b6c8ef5250047790d37d63187c0
- 0xdf216fc3b387d6ceb86ba7ff21b6901c75d1035d1cd759651f3446305259490b
- 0x1905fe8e7174ebc247c3dcf22b75414c5dd9bcdaed431ac86fef2cfd39edd249
- 0xee42a595b20a80ba65bcf0e29fd07c0dc753a8881d1eb0a1ed40f08d3e324ac7
- 0x804e6e948eca536019bd5e2f50c63d32f26a612dde34a5aacd8b470d66ec51b5
- 0x4c7b7f3f42e860af0292451afd96bceb26eb41ca5c810766a3ab2c07c3919b93
- 0x84cc0709bdcf43a76bb38852cd824bccc42d1167214eaa0cc6f5136bc9060566
- 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
- 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58
- Day root
- 0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
- Chained
- 0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
- Published
- On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94